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This section includes InterviewSolutions, each offering curated multiple-choice questions to sharpen your knowledge and support exam preparation. Choose a topic below to get started.
| 9601. |
Question : Read the following points :- (A) Asexual reproduction with the help of conidia. (B) Produce fruiting bodies (C) Sexual spores are produced endogenously (D) Karyogamy and meiosis take place in sac like structure ascus. All these points belong to which class of fungi? |
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Answer» Zygomycetes |
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| 9602. |
Question : Read the following pair :- (A) Diatoms-usually Haploid body (B) Dinoflagellates-water bloom (C) Slime mould -decomposer nature (D) Euglenoids-some time behave like predator (E) Protozoa-Unicellular prokaryotes Choose the correct pair :- |
| Answer» Answer :C | |
| 9603. |
Question : Read the following paragraph given. Although spermatozoa are said to be 'mature' when they leave the epidi dymis, their activity is checked by multiple inhibitory factors secreted by the genital duct epithelium. Therefore when they are first expelled in the semen, they are unable to perform their duties in fertilizing ovum. Be fore fertilization they have to be activated. a. How and from where the sperm gets activated? b. Give an outline of the remaining process after activation. |
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Answer» Solution :a. The sperm GETS activated in the oviduct with the HELP of a process called capacitation b. Spermatozoa penetrate the barriers of the EGG membrane by releasing hyaluronidase which dissolves the egg membrane. Then the fusion of the male and female pronucleus occurs. |
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| 9604. |
Question : Read the following matches regarding the elements and their deficiency symptoms in plants (i) Molybdenum - Brown heart of turnip (ii) Potassium - Plastid disintegration (iii) Magnesium - Underdeveloped phloem & pith (iv) Phosphorus - Delay in seedgermination Which of these are correct |
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Answer» (i), (III) & (iv) |
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| 9605. |
Question : Read the following option -(a) Monocotyledonous roots have fewer xylem bundles,(b) Monocotyledonous roots do not show secondary growth, (c) Dicot root has small pith. |
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Answer» (a) & (C) |
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| 9606. |
Question : Read the following matches (i) Zinc - Activator of catalase (ii) Calcium - Required during formation of mitotic spindle (iii) Sulphur - Constituent of ferredoxin (iv) Chlorine - Essential for water- splitting reaction in photosynthesis Which of these are correct |
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Answer» (i), (ii) & (III) |
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| 9607. |
Question : Read the following matches (i) Boron - Pollen germination (ii) Manganese - Splitting of water during photosynthesis (iii) Zinc - Activates carboxylases (iv) Copper - Involved in redox reactions Which of these are correct |
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Answer» (i), (ii) & (III) |
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| 9608. |
Question : Read the following matches (i) Clostridium - Food poisoning botulin um (ii) Xanthomona- sesculenti (iii) Nitrosomonas - Bacterial blight of rice - Oxidises ammonia to nitrites |
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Answer» (i), (III) & (iv) |
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| 9609. |
Question : Read the following hormone A)Epinephrine B)Thyroid hormone C)Nor-epinephrine D)Melatonin Identify the hormones that considered as catecholamines |
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Answer» A and B |
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| 9610. |
Question : Read the following matches (i) Bacillus vulgaris - Ammonifying (ii) Nitrobacter (iii) Pseudomonas (iv) Vibrio cholerae bacteria - Nitrogen fixing bacteria - Retting of fibres - Obligate anaerobe Which of these are correct? |
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Answer» (i), (II) & (III) |
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| 9611. |
Question : Read the following given examples (i) Plant - pollinator mutualsim (ii) African catfish in our rivers for aquaculture (iii) Fish species with its parasites. (iv). Nile perch and cichlid fish. |
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Answer» (i),(II) |
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| 9612. |
Question : Read the following information about a phytohormone and them identify it. I. They cause fruits like apple to elongate and improve their shape. II. They are used to speed up the malting process in the brewing industry. III. They are used to convert genetically dwarf plants into tall plants. |
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Answer» AUXIN |
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| 9613. |
Question : Read the following four statements (A–D) :- (A) The electrical potential difference across the resting plasma membrane is called as the resting potential (B) Na+ – K+ pump transports 3Na+ outwards for 2K+ into the cell passively (C) During excited state the outer surface of the membrane becomes positively charged (D) Action potential is infact termed as nerve impulse How many of the above statements are false? |
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Answer» Three |
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| 9614. |
Question : Read the following four statements ,A,B,C and D select the right option having both correct statments. (A) Z scheme of light reaction takes place in presence of PSI only . (B)Only PSI is functional in cyclic photo phosphorylation (C) Cyclic Photophosphorylation results into synthesis of ATP and NADP_2 (D)Stroma lamellar lack PSII as well as NADP reductase |
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Answer» A and B |
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| 9615. |
Question : Read the following four statements (A) EPSP develops due to opening of Na^+ channels (B) IPSP develops due to opening of Cl^- channels (C) GABA develops IPSP and Ach develops EPSP. (D) The new potential developed on post synaptic membrane may be either excitatory or inhibitory. How many of the above statements are correct? |
| Answer» ANSWER :A | |
| 9616. |
Question : Read the following four statements (a - d) about certain mistakes in two of them (a) The first transgenic buffalo, Rosie, produced milk which was human alpha-lactalbumin enriched. (b) Restriction enzymes are used in isolation of DNA from other macro-molecules. (c) Downstream processing is one of the steps of R-DNA technology. (d) Disarmed pathogen vectors are also used in transfer of R-DNA into the host. Which are the two statements having mistakes ? |
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Answer» STATEMENT (B) and (C) |
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| 9617. |
Question :Read the following four statements (A-D)Both , A) Photophosphorylation and oxidative phosphorylation involve uphill transport of protons across the membrane B)In dicot stems , a new cambium originates from cells of pericycle at the time of secondary growth C)Statements in flowers of Glorious and Petumia are polyndrous D) Symbiotic nitrogen-fixers occurs in free living state How many of the above statement are right? |
| Answer» Answer :B | |
| 9618. |
Question : Read the following four statements (A-D) about certain mistake in two of them. (a) The first transgenic buffalo, Rosie produced milk which was human alpha - lactalbumin enriched. (b) Restriction enzymes are used in isolation of DNA from other macromolecules. (c) Downstreaming processing is one of the steps of rDNA technology (d) Disarmed pathogen vectors are also used in transfer of rDNA into the host.(A) b & c(B) c & d(C) a & c(D) a & b |
| Answer» Solution :a & b | |
| 9619. |
Question : Read the following four statements (A-D) (A) The lips and finger nails may turn gray to bluish in colour in severe cases of Typhoid (B) Rhino viruses infect the nose and respiratory passage but not the lungs. (C) Intestinal perforation and death may occur in severe cases of typhoid. (D) Streptococcus pneumoniae infects the alveoli of the lungs. How man y of the abov e sta teme nts are right :- |
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Answer» One |
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| 9620. |
Question : Read the following five statements in context of a plasmid. (a) Its DNA is always double stranded. (b) Its DNA is naked and without histone proteins. (c) Its DNA can replicate independent of genomic DNA. (d) Both exons and introns are present in plasmid DNA. (e) Plasmid DNA can be either linear or circular. Which of the above given statements are incorrect? |
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Answer» (a) and (E) |
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| 9621. |
Question : Read the following five statements (A to E) and select the option with all correct statements. (A) Our intestine is a unique habitat for hundreds of species of microbes. (B) Snow leopards are found in the forests of Kerala and Tamil Nadu. (C) Some snails and fish go into hibernation to avoid summer. (D) Many freshwater animals connot live for long in sea water and vice versa because of the osmotic problems. (E) The availability of light on land is closely linked with that of tamperature. |
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Answer» (A), (D) and (E) |
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| 9622. |
Question : Read the following five elements (A -E) and answer as asked next to them:- a) In Equisetum the female gametopyte is retained on the parent sporophyte b) In Ginkgo male gametophyte is not independent c) The sporophyte in Riccia is more developed than that in Polytrichum d) sexual reproduction in -Volvox is isogamous e) The spores of slime molds lack cell walls How manyof the above statements are correct? |
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Answer» FOUR |
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| 9623. |
Question : Read the following characters carefully (a) Organ system level of organisation (b) Sexes are separate (c) Internal fertilization (d) Bilateral symmetry (e)Pseudocoelomate How many animals given below consists of all the characters mentioned above a , b , c , d and e ? Ascaris , Ancyclostoma , Nereis , Earthworm , Taenia , Liver fluke |
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Answer» two |
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| 9624. |
Question : Read the following event of impulse. (a) Generation of Threshold potential (b) Generation of Action potential (c) Depolarisation initiates (d) Generation of graded potential Choose the correct sequence of impulse :- |
| Answer» Answer :C | |
| 9625. |
Question : Read the following figure carefully Q & P = populations residing in a geographical area from long time then P & Q are called as:- |
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Answer» LOCAL population |
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| 9626. |
Question : Read the following features: (a) Neurogenic heart (b) Haemocoel (c) Parapodia with setae is locomotory structure (d) Double ventral nurve cord Which of the above is/are characteristic features of Nereis? |
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Answer» only (a) |
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| 9627. |
Question : Read the following features carefullyand assign them to their respective families : Identify the correctly matchedpaired . |
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Answer» (1) A, C & D-Fabaceae |
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| 9628. |
Question : Read the following characteristics (I - IV) and identify the structure to which these features correspond I. Cortex is made up of several layers of thin walled parenchyma cells without any intercellular spaces. II Endoderm is made up of a single layer of barrel - shapedcells without any intercellular spaces. III . Few layers of thick - walled parenachymatous cell forms pericycle. IV. Pith is small or inconspicuous. V. Conjunctive tissue present , and 2 to 4 xylem and phloem patches. |
| Answer» Answer :A | |
| 9629. |
Question : Read the following and select the incorrect statements: A. The placenta acts as a permanent endocrine tissue and produces several hormones. B. During pregnancy levels of cortisol, prolactin, thyroxine, and estrogen hormones also Increase several folds in maternal blood. C. The second meiotic division of secondary spermatocyte in females is unequal and results in the formation of a polar body. D. The secondary follicle transforms into a tertiary follicle which is characterized by a fluid - filled cavity called the antrum. |
| Answer» Answer :C | |
| 9630. |
Question :read the following characteristics and select the correct statement w.r.t bacteriophage. (a) usually have ds DNA as genetic material. (b) Tail is proteinaceous and contains genetic material. (c)show binal symmetry. (d) it has 6 tail 3 and 6 tail fibres which aidsits attachment to host cell |
| Answer» Answer :B | |
| 9631. |
Question : Read the followingAngiotensinogen overset(A)(to) Angiotensin - I overset(B)(to) Angiotensin- II overset(C )(to) Aldosterone Identify A, B and C |
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Answer» A-Renin, B-Angiotensin CONVERTING ENZYME and C-Adrenal MEDULLA |
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| 9632. |
Question : Read the following and select the correct statement/ statements. a) 23 s RNA act as a enzyme in prokaryotes. b) In prokaryotes DNA is monocistronic c) Francis Crick proposed the Central Dogma of Molecular biology. d) In Eukaryotes three types of RNA polymerases are present. (a only, a and b, a and c, a and d) |
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Answer» B only |
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| 9633. |
Question : Read the following arrange them in a correct sequence in the activity of Epinephrine on the liver cells A)Formation of cAMP B)Epinephrine binds to membrane receptor C)Activation of phosphorylase D)G protein binds to GTP and activates adenylate cyclase E)Activation of protein kinase A F)Phosphorylation of glycogen to glucose-6 phosphate |
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Answer» BADECF |
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| 9634. |
Question : Read the following (1-4) statements. (1) It is made of more than one layer (multi-layered) of cells. (2) It has a limited role in secretion and absorption. (3) Their main function is to provide protection against chemical and mechanical stress (4) It covers the dry surface of the skin and the moist surface of buccal cavity. How many of the above statements are correct for compound epithelium : |
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Answer» Four |
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| 9635. |
Question : Read the following : A. Intracellular movement of water B. Movement of water through plasmodesmata C. Water moves from cytoplasm to cytoplasm of the neighbouring cells. D. Water movement is exclusively via cell wall E. Faster pathway F. Slower pathway G. Bulk transport of water Sympiastic pathway does not involve |
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Answer» A, B, D & E |
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| 9636. |
Question : Read the following A. Hydroxyl part of amino acid is replaced by another amino group. B. Transfer of amino group from the keto acid to amino acid. C. Hydroxyl part of keto acid is replaced by amino group. D. Transfer of amino group from the amino acid to the keto group of keto acid. Find the correct combination. |
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Answer» A-Amide FORMATION, D-Transamination |
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| 9637. |
Question : Read the following (A-D) statements. A. It is made of more than one layer (multi-layered) of cells.B. It has a limited role in secretion and absorption. C.Their main function is to provide protection against chemical and mechanical stress D. It covers the dry surface of the skin and the moist surface of buccal cavity. |
| Answer» ANSWER :A | |
| 9638. |
Question : Read the following (a) Discovered by L.S.B. Leaky (b) Probably did not eat meet(c) Was capable of making tool (d) Started community life in cavesThe above features are of |
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Answer» HOMO habilis |
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| 9640. |
Question : Read of following statements and find out the incorrect statement. |
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Answer» Alpha thalassemia is controlled by two closely linked genes `"HBA"_(1) " and HBA"_(2)` on CHROMOSOME 16 of each parent and it is OBSERVED DUE to mutation or deletion of one or more of the four genes. |
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| 9641. |
Question : Read of the following statements:- (a) Insect resistance in crop plants may be due to morphological, biochemical or playsiological characteristics. (b) Hairy leaves in cotton are resistant to cereals jassids. (c) Smooth leaves and nectar-less cotton varieties do not attract bollworms. (d) In maize, high asparatic acids, low nitrogen and sugar leads to resistance to stemborers. Choose correct statements :- |
| Answer» Answer :D | |
| 9642. |
Question : Read four statements about hominid species: (a) Agriculture and human settlements started about 18000 years ago. (b) Cave art developed approximately 10000 years ago. (c) Homo sapiens arose in Africa. (d) Homo erectus existed about 1.5 million years ago. how many statements are correct among these? |
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Answer» One |
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| 9643. |
Question : Read the following statements regarding various steps of urine formation. A. Blood flows through glomerular capillaries under a pressure created due to difference in diameter of afferent and efferent arterioles. B. Filtrate formed after ultrafiltration is isotonic to blood plasma.C. Reabsorption of glucose occurs throughout the tubules of nephron.D.Selective tubular secretion of H and K ions help in maintaining ionic balance of body. Select the option having only correct statements |
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Answer» A and C |
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| 9644. |
Question : Reactive group of RNA is |
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Answer» Phoshate |
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| 9645. |
Question : RCH stands for |
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Answer» Routine check-up of HEALTH |
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| 9646. |
Question :RCH |
| Answer» Solution :REPRODUCTIVE and CHILD HEALTH care 1 | |
| 9647. |
Question : R.B.C.s are nullceated in |
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Answer» Man |
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| 9648. |
Question : R.B.C. are found stored in |
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Answer» BONE MARROW |
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| 9649. |
Question : Ray floret of sunflower has |
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Answer» No ovary |
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| 9650. |
Question : Raw materials for respiration is: |
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Answer» GLUCOSE and `CO_2` |
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