a. A viviparous animal b. A fish possessing a poison sting c. A fish possessing an electric organ d. An organ, which regulates buoyancy e. Animal, which exhibits alternation of generation f. An...
●In radial symmetry, the body of an organism can be divided into equal halves by any plans passing through the longitudinal way . ●Radial symmetry examples -Coelenterates, Ctenophores,...
a.8 cells b. 7 cells and 8 nuclei c. 8 nuclei d. 7 cells and 7 nuclei A)Correct option - B B) Explanation of correct option - ●Embryo sac of an Angiosperm is made up of 7 cells and 8...
a. Monocots b. Dicots c. Pteridophytes d. Gymnosperms A)Correct option - D B) Explanation of correct option - ●Gymnosperms have no flowers or fruits ● Naked seeds on the surface of their...
a. A structure in pteridophytes formed before the thallus develops b. A sporophytic free-living structure formed in pteridophytes c. A gametophyte free-living structure formed in pteridophytes ...
a. Pteridophytes b. Gymnosperms c. Monocots d. Bryophytes A)Correct option - D B) Explanation of correct option - ●A plant that consists of a thallus. ●embryo stage, vascular and mechanical tissues...
a. Rhodophyceae b. Chlorophyceae c. Phaeophyceae d. All of the above A)Correct option - C B) Explanation of correct option - ●Phaeophyceae is a brown algae. ●Phaeophyceae is a large group of...
a. Oogamy b. Isogamy c. Anisogamy d. Zoogamy A)Correct option - C B) Explanation of correct option - ●It is a form of Sexual reproduction that involves the union or fusion of two gametes that ...
a. Protista b. Plantae c. Monera d. Algae A)Correct option - C B) Explanation of correct option - ●Monera is an unicellular organism with a prokaryotic cell organization ● such as bacteria. ● They...
●Heterospory development occurs in situ embryos .The embryo takes nutrition from the female gametophyte and which gives it better protection. ● Heterospory occurs due to the evolution of seed habit,...
●Selaginella produces macro and micro spores both . ●Selaginella produce female and male gametophytes both . ●The embryo formed by selaginella was retained within the female gametophyte...
●Cycas is the connecting link between Gymnosperms and pteridophytes . ●They show some features which are the same as in pteridophytes such as flagellated antherozoids, circinate ptyxis,...
Genera such as selaginella, Sylvania, and Marsilea are producing two kinds of spores namely Micro and macro spores which are commonly known as heterosporous. 1.Evolutionary heterospory....
●Mycorrhiza can be seen in Pinus and coralloid root in Cycas. ●Mycorrhiza – system association between the roots of higher plants & fungi. Fungi help the plants in the absorption of nutrients...
●Due to the alteration in the gametophytic and sporophytic life cycle Bryophyte shows haplo -diplontic both types of life cycle. ●Major part is dominated by the haploid gametophytic...
a. Fast green b. Safranin c. Acetocarmine d. Janus green A)correct option -D B)Explanation of correct option - Janus Green is a basic dye and stain used in histology. It is used to stain...
a. Intracellular transport b. Maintenance of cell shape and structure c. Support of the organelle d. Cell motility A)correct option -A B)Explanation of correct option - Intracellular transport is...
a. Presence of two layers of membrane b. Presence of ribosome c. Presence of thylakoids d. Presence of DNA A)correct option -C B)Explanation of correct option - Thylakoids are membrane bound...
a. It is present in both plant and animal cell b. Lipid is present as a bilayer in it c. Proteins are presently integrated as well as loosely associated with the lipid bilayer d. Carbohydrate is...
a. The cell wall is made up of peptidoglycans b. 80S type of ribosomes is present in the cytoplasm c. Mitochondria contain circular DNA d. Membrane-bound organelles are present A)correct option -A...
a. The outer membrane of mitochondria b. The inner membrane of chloroplast c. Membrane boundary of the vacuole of plant cells d. The cell membrane of a plant cell A)correct option -C B)Explanation...
a. Golgi apparatus is absent b. Rough Endoplasmic Reticulum (RER) is easily observed in the cell c. Only Smooth Endoplasmic Reticulum (SER) is present d. Secretory granules are formed in the...
a. Benda b. Schleiden and Schwann c. Singer and Nicolson d. Robert Brown A)correct option -C B)Explanation of correct option - Fluid mosaic model explains various observations regarding the...
a. Chromatin material b. Cell wall present c. Nuclear membrane present d. Membranes bound sub-cellular organelles present A)correct option -B B)Explanation of correct option - Cell wall is present...
a. Silicon b. Magnesium c. Iron d. SodiumSolution A)correct option -A B)Explanation of correct option - ●The highest silicon content in the body was found in connective tissue, bones, kidneys,...
a. Living organisms have more gold in them than inanimate objects b. Living organisms have more water in their body than inanimate objects c. Living organisms have more carbon, oxygen and hydrogen...
a. Formic acid b. Glycerol c. Glycolic Acid d. Glycine A)correct option -D B)Explanation of correct option - Glycine is an amino acid, or a building block for protein. The body can make glycine on...
a. Acidic form b. Basic form c. Aromatic form d. Zwitterionic form A)correct option -D B)Explanation of correct option - A zwitterion is a molecule that contains both a positive and a negative...
a. Fructose b. Erythrose c. Ribulose d. Ribose A)correct option -A B)Explanation of correct option - ●Fructose is a type of sugar known as a monosaccharide. ●Fructose is also known as “fruit sugar”...
a. Nitrogen base b. Adenine c. Sugar phosphate d. Nucleotide A)correct option -D B)Explanation of correct option - The basic building block of nucleic acids. A nucleotide consists of a sugar...
a. Protein b. Water c. Sugar d. Nucleic acid A)correct option -B B) Explanation of correct option - Most abundant compound in most living things is water. Water is a compound of hydrogen(H) and...
a. 20 types of monomers b. 40 types of monomers c. 30 types of monomers d. only one type of monomer A)correct option-A B)Explanation of correct option- All proteins are made up of different...
a. Antibiotics b. Pigment conferring colour to skin c. Pigments making colours of flowers d. Hormones A)correct option -D B)Explanation of correct option- Protein hormones or polypeptide hormones...
a. Glucose units b. Galactose units c. Ribose units d. Amino Acids A)correct option -A B) Explanation of correct option- Glycogen is a polysaccharide of glucose that acts as a form of energy...
a. Glucose units b. Galactose units c. Ribose units d. Amino Acids A)correct option -A B) Explanation of correct option- Glycogen is a polysaccharide of glucose that acts as a form of energy...
a. Equal to the number of branches plus one b. Equal to the number of branch points c. One d. Two, one on the left side and another on the right side A)correct option -D B) Explanation of correct...
a. Two ends b. One end c. Three ends d. No ends A)correct option -A B) Explanation of correct option - The sequence of amino acids in a polypeptide chain has two ends For example -the hormone...
a. Two ends b. One end c. Three ends d. No ends A)correct option -A B) Explanation of correct option - The sequence of amino acids in a polypeptide chain has two ends For example -the hormone...
a. Dissolving CO2 in water b. Untwining the two strands of DNA c. Hydrolysis of sucrose d. Formation of peptide bond A)correct option -A B)Explanation of correct option - Carbon dioxide dissolves in...
Cofactors are the non proteinaceous enzymes, it may be organic or inorganic form of the enzyme. The prosthetic group of these belongs to organic cofactors which remains tightly bound with apoenzymes.
P(reduced )+ P’(Oxidized)→ P(oxidized)+ P'(reduced)
A.Amino acid- Glycine B.Sugar- Glucose, fructose C.Nucleotide- Adenosine D.Fatty acid- Oleic acid
solution: C. Linnaeus grouped the living beings dependent on morphological characters like Plantae and Animalia. In any case, it was not adequate as there were sure living beings guaranteed by both...
solution: Peat is shaped from the wetland vegetation particularly from the Sphagnum (lowland greenery). Sphagnum likes to fill in acidic nature in the lowland, because of the acridity the total...
solution: Significance of green growth Green growth is utilized as food in numerous species like Porphyra, laminaria and so on Chlorella and spirulina are unicellular green growth wealthy in protein...
solution: Blue green growth phycocyanin and r-phycoerythrin shades are available adjacent to chlorophyll a Earthy colored green growth have chlorophyll a, c, carotenoids and xanthophylls. They are...
solution: Zoospores are meager walled spores that are motile and whipped. They are delivered under great conditions Aplanospores are meager walled non-motile spores and created under negative...
solution: Utilized in the bottling works and heating industry: Saccharomyces cerivesea is utilized. Under anaerobic conditions interaction of maturation happens which discharges ethanol and CO2. The...
solution: Trypanosoma is a unicellular eukaryotic life form. Motion is worked with by flagella. Strategy for generation is agamic. The save food material is available as granules.
solution: Apothecium: It's a saucer or cup-formed, open fruiting body. Perithecium: Flask formed fruiting body. With an initial top called the ostiole. Cleistothecium: It's a shut round structure....
solution: Cyanobacteria combination their food and they are autotrophic. Heterotrophic microbes rely upon different living beings for their food. Both Cyanobacteria and heterotrophic microscopic...
solution: Neurospora is utilized as a hereditary instrument on the grounds that Quickest developing in vitro can be filled in negligible media. • Due to its haploid nature it can communicate both...
solution: This normally happening ring or curve of mushrooms, happening as a typical turf sickness, is distinguished as enormous dead rings or curve of grass in yards throughout the spring or summer...
solution: Diatoms are significantly phytoplankton's which are the main makers of sea. Subsequently known as "pearls of seas"
solution: Eukaryotes are the organic entities whose core and cell is limited by a layer. Four realms have eukaryotic organic entities a) Protista b) Fungi c) Plantae d)Animalia.
solution: Infections have no total cell structure.Try not to show development, division, digestion and need breath.High explicit gravityTry not to follow Robert Koch's proposeCan't be become under...
solution: Pea is known by various names in various nations. So rather than calling an assortment of names, logical names are given which are same on the planet all through. It is overall...
solution: Chemosynthetic microbes are autotrophic. They acquire energy for the blend of food by oxidizing inorganic substances.
solution: Contaminated water bodies are wealthy in supplements particularly in nitrogen content which gives good condition to green growth like Nostoc and Oscillotoria to blossom in the water...
solution: Two realm orders didn't recognize the prokaryotes and eukaryotes They didn't recognize unicellular and multicellular life forms They additionally didn't recognize...
a. Unicellular b. Distinct core c. Biflagellate–one flagellum lying longitudinally and the other dynamically. What might you recognize it as? Would you be able to name the realm it has a place with?...
solution: Cyanobacteria are equipped for fixing nitrogen with the assistance of particular cells called the heterocyst. They enhance the dirt ripeness. Thus BGA's are utilized in rural fields. For...
I. Amphibian territories ii. On rotting wood iii. Wet and clammy spots iv. As commit parasites on plants Look over the accompanying alternatives a. Nothing unless there are other options b. I and iv...
a. Monera b. Protista c. Parasites d. None of the above solution: Choice (d) is the appropriate response.
a. Karyogamy, Plasmogamy and Meiosis b. Meiosis, Plasmogamy and Karyogamy c. Plasmogamy, Karyogamy and Meiosis d. Meiosis, Karyogamy and Plasmogamy solution: Choice (c) is the appropriate...
a. Nonattendance of protein coat in viroid however present in infection b. Presence of low sub-atomic weight RNA in the infection however missing in viroid c. Both an and b d. Nothing unless there...
a. Mycorrhiza b. Root c. Lichens d. BGA solution: Choice (c) is the appropriate response.
a. D.J. Ivanowsky b. M.W. Beijerinek c. Stanley d. Robert Hook solution: Choice (b) is the appropriate response.
a. Meiosis is captured b. The two haploid cells don't meld right away c. Cytoplasm doesn't meld d. Nothing unless there are other options solution: Choice (b) is the appropriate...
a. Lichen b. Greenery c. Mycorrhiza d. BGA solution: Choice (c) is the appropriate response.
a. Monera b. Protista c. Parasites d. Ooze molds solution: Choice (d) is the appropriate response.
a. Methanogens b. Halophiles c. Heliophytes d. Thermoacidophiles solution: Alternative (b) is the appropriate response.
a. R.H. Whittaker b. C.Linnaeus c. A. Roxberg d. Virchow solution: Alternative (a) is the appropriate response.
a. Monera b. Protista c. Organisms d. Microbes solution: Alternative b is the appropriate response.
Solution: Characters who are non-living have the following features There isn't any cellular structure.Like crystals, they can be preserved in bottles.No energy storage or liberation systems...
Solution: Viruses are infectious organisms that, when located outside the host cell, solidify in structure. The genetic material is either DNA or RNA (but never both), and it is found inside the...
Solution: Eugenoids have the following characteristics: no cell wall.Their bodies are flexible due to a protein-rich coating known as a pellicle.There are two flagella of differing lengths. In...
Solution: Fungi are eukaryotic heterotrophic organisms. The kingdom fungus includes black dots on stale bread, yeast (which is used to make bread and beer), white spots on mustard leaves, and...
Solution: Fungi and algae form a symbiotic relationship in lichens. A phycobiont is a type of algae that is also seen in mycobiont fungi. Mycobiont provides structural protection for algae against...
Solution: These organisms are green and autotrophic, yet they hunt on and digest minute components for their nitrogen supply. Insectivores and carnivorous plants are somewhat heterotrophic....
Solution: The two economically important uses of- a) Vitamins, medicines, cheese, and curd are all made using heterotrophic bacteria. They aid in nitrogen fixation and the production of humus. b)...
Solution: The following are the four primary groups of Protozoa: Protozoa of the amoeboid class: They live in aquatic habitats and use pseudopodia to move and catch their prey. Flagellated...
Solution: The difference between viroids from viruses- (i) Viroids have single-stranded RNA without a protein coat, whereas viruses contain single-stranded or double-stranded RNA associated with a...
Solution: In contaminated water, algal blooms can be discovered. Algae overgrowth, particularly blue-green algae, causes them (cyanobacteria). Their expansion pollutes the water supply. They breathe...
Solution: Cell walls of diatoms are unbreakable and embedded with silica, which imparts distinctive patterns to the walls. These diatoms deposit a lot of cell wall deposits in their habitat, which...
Solution: The scientific classification was initially introduced by Aristotle. He classified plants into trees, shrubs, and herbs based on simple physical characteristics. He separated the animals...