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.
| 4701. |
Question : The sequence of development of embryo sac is |
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Answer» ARCHESPORIUM `RARR` megaspore `rarr` MEGASPORANGIUM `rarr` EMBRYO sac |
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| 4702. |
Question : The sequence of communities of primary succession in water is: |
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Answer» PHYTOPLANKTON, sedges, free-floating HYDROPHYTES, rooted hydrophytes, grasses and trees. |
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| 4703. |
Question : The sequence of communities of primary succession in water is : |
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Answer» phytoplankton, SEDGES, free-floating hydrophytes, rooted hydrophytes, grasses and TREES. |
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| 4704. |
Question : The sequence of bases in coding strand of DNA is GAGTTAGCAGGC, then the sequence of codons in primary transcript is ………………. |
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Answer» C U C A U A C G C C C G |
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| 4705. |
Question : The sequence in m-RNAtranscribed from a piece of DNA having a sequence ATTGCATCT |
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Answer» TAAATGGCC |
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| 4706. |
Question : The separated bands of DNA are cut out from the agarose gel and extracted from gel piece. |
| Answer» SOLUTION :ELUTION. | |
| 4707. |
Question : The separated DNA fragments can be visualised only after staining the DNA with a compound known as |
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Answer» ethidium sulphide |
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| 4708. |
Question : The separation of single cell from the rest of the cells is : |
| Answer» Answer :D | |
| 4709. |
Question : The sense of equilibrium by ear is the function of |
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Answer» Sensory CELLS of the organ of corti |
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| 4710. |
Question : The semi-conservativenature of DNA replication was established by Meselson and Stahl in their classic experiment with bacteria. They grew bacteria in N^(15)-NH_(4)CIcontaining medium with N_(14) - containing compounds and allowed to grow for three generation . CsCI density gradient centrifugation of isolated DNA established the nature of semiconservation DNA replication. The pictorial representation below shows the positon of differentially labeled DNA in CsCI density gradient. Had the DNA replication been conservative, what would have been the pattern ? |
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Answer»
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| 4711. |
Question : The semi-fluid nearly digested food present it the ileum is termed as |
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Answer» CHYLE |
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| 4712. |
Question : The semi dwarf wheat which was instrumental in increasing wheat production was developed |
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Answer» Alexander VON Humboldt |
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| 4713. |
Question : The semen fluid consists of sperm cells and secretion from |
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Answer» seminal VESICLE,prostate GLAND,COWPER's gland |
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| 4714. |
Question : The selected cell, tissue or organ is called : |
| Answer» Solution :Explant | |
| 4715. |
Question : The seedsof flowering plants are made up of |
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Answer» Ovaryand ovary wall |
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| 4716. |
Question : The secretion of male accessory glands contains |
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Answer» GLUCOSE and CALCIUM |
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| 4717. |
Question :The secretion and ejection of milk by mammary gland require the synergistic effect of which of the following hormones? |
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Answer» Estrogen, progesterone |
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| 4718. |
Question : The secondary nucleus is formed by the fusion of ………… . |
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Answer» TWO POLAR nuclei |
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| 4719. |
Question : The secondary nucleus after fusing with one of the two male gametes develops into : |
| Answer» Answer :A | |
| 4720. |
Question : The secondary metabolite anthocyanin is obtained from……….. |
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Answer» MENTHA piperata |
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| 4721. |
Question : The secondary follicle differs from the primary follicle in that |
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Answer» The primary follicle has only a single layer of FLATTENED cells around the OOGONIUM |
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| 4722. |
Question : The second trophic level in a lake is A) PhytoplanktonB)ZooplanktonC)BenthosD)Fishes |
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Answer» PHYTOPLANKTON |
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| 4723. |
Question : The second trophic level in a lake is |
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Answer» PHYTOPLANKTON |
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| 4724. |
Question : The second maturation division of the mammalian ovum occurs :- |
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Answer» In the Graafian FOLLICLE following the first maturation division |
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| 4725. |
Question : The second maturation division of the mammalian ovum occursshortly after ovulation before the ovum makes entry into the fallopian tubeuntil after the ovum has been penetrated by a spermuntil the nucleus of the sperm has fused with that of the ovumin the Graafian follicle following the first maturation division |
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Answer» shortly after ovulation before the OVUM makes entry into the fallopian tube |
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| 4726. |
Question : The second maturation division of the mammalian ovum occurs: |
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Answer» Until after the ovum has been penetrated by a sperm |
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| 4727. |
Question : The second law of mendel is |
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Answer» The purity of gametes |
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| 4728. |
Question : The second heart sound is produced |
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Answer» during VENTRICULAR systole by the closure of SEMILUNAR valves |
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| 4729. |
Question : The second heart sound (dub2) is associated with the closure of |
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Answer» TRICUSPID valve |
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| 4730. |
Question : The second GI tag for Jasmine is 'Madurai Malli', which jasmine type has got the first GI tag? |
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Answer» |
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| 4731. |
Question : The second gamete migrate to the central cell and fused with the ………….. . |
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Answer» POLAR nuclei |
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| 4732. |
Question : The second division of meiosis may be described as_____ division. |
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Answer» |
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| 4733. |
Question : The second cranial nerve of man is_____. |
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Answer» Optic |
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| 4734. |
Question : The scientists believe that evolution is gradual. But extinction, part of evolutionary story, are 'sudden' and 'abrupt' and also group-specific. Comment whether a natural disaster can be the cause for extinction of species. |
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Answer» Solution :Natural disaster like earthquake can cause EXTINCTION of SPECIES. During the long period since the origin and diversification of LIFE on earth there were five episodes of mass extinction of species. Sudden extinction of highly flourished DINOSAURS of Jurassic period of Mesozoic era in Cretaceous period ither due to HITTING of the earth by an iridium rich meteorite or due to global cooling. |
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| 4735. |
Question : The scientist working in botanical garden is known as :- |
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Answer» BOTANIST |
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| 4736. |
Question : The scientists believe that evolution is gradual. But extinction, part of evolutionary story, are 'sudden' and 'abrupt and also group-specific. Comment whether a natural disaster can be the cause for extinction of species. |
| Answer» SOLUTION :Natural disasters that occur on earth from time to time are cause for mass extinction of species in ADDITION to other FACTORS. Extinction of dinosaurs is an example of mass extinction. Sudden and abrupt extinctions have occurred SEVERAL times during EVOLUTION. | |
| 4737. |
Question : The scientists associated with human genome project |
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Answer» Watson and CRICK |
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| 4738. |
Question :Who was the first discoverer of antibiotic ?(A) Misher(B) Earnest chane(C) Alexander Fleming(D) Haward Floragan |
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Answer» L. Pasteur |
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| 4739. |
Question : The scientist who conducted experiment on killed yeast to disprove the theory of spontaneous generation of life was |
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Answer» STANLEY Miller |
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| 4740. |
Question : The scientist used chromosomal movement to explain Mendel's laws |
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Answer» Punet and bateson |
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| 4741. |
Question : The scientist noted that The behaviour of chromosomes was paralleld to the behaviour of genes |
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Answer» DE VRIES, CORRENS and Tschemak |
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| 4742. |
Question : The scientific term not related to the primary conastriction of a ch romosome is : |
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Answer» kinomere |
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| 4743. |
Question : The scientific study of body movement is called______. |
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Answer» |
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| 4744. |
Question : The scientific process by which crop plants are enriched with certain desirable nutrients is called - |
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Answer» Crop protection |
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| 4745. |
Question : The scientific naming of plants begain with publication of Linnaeus book :- |
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Answer» GENERA plantarum |
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| 4746. |
Question : The scientific name of Java man is |
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Answer» HOMO habilis |
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| 4747. |
Question : The scientific name of Java ape man |
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Answer» HOMO SAPIENS fosslis |
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| 4748. |
Question : The scientific key to understand biology and behaviour of human is ………….. . |
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Answer» BLUE print |
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| 4749. |
Question : The science club in your school has decided to organise a street play aiming at giving public awareness against AIDS. a. Mention the important characters performing in this play. b. State the major ideas you are going to convey through the play. |
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Answer» Solution :a. HIV, T-cells of the immune system, patient, other pathogens like bacteria, viruses, protozoan etc. b. i. Only ONE life partner in your life II. Practise safe sex iii. USE condoms iv. Don.t SHARE needles and syringes for injection. v. Don.t receive blood from unknown person. VI. Treatment is available to cure AIDS. |
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| 4750. |
Question : The scar on seed where funicle was attached is called |
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Answer» HILUM |
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