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Biology · PYQ NEET UG 2021
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Biology · PYQ NEET UG 2021
Amensalism can be represented as:
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Which is the "Only enzyme" that has "Capability" to catalyse Initiation, Elongation and Termination in the process of transcription in prokaryotes?
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Which of the following is an INCORRECT statement?
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In some members of which of the following pairs of families, pollen grains retain their viability for months after release?
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Which of the following statements wrongly represents the nature of smooth muscle?
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Match List-I with List-II.\nList - I \t\t List - II\n(a) Metamerism \t\t (i) Coelenterata\n(b) Canal system \t (ii) Ctenophora\n(c) Comb plates \t (iii) Annelida\n(d) Cnidoblasts \t (iv) Porifera\nChoose the correct answer from the options given below.
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Match List-I with List-II: List-I List-II A Allen’s Rule I Kangaroo rat B Physiological adaptation II Desert lizard C Behavioural adaptation III Marine fish at depth D Biochemical adaptation IV Polar seal Choose the correct answer from the options given below.
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Venereal diseases can spread through:\n(a) Using sterile needles\n(b) Transfusion of blood from infected person\n(c) Infected mother to foetus\n(d) Kissing\n(e) Inheritance\nChoose the correct answer from the options given below.
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Match List-I with List-II: List-I List-II A S phase I Proteins are synthesized B ( G_2 \) phase II Inactive phase C Quiescent stage III Interval between mitosis and initiation of DNA replication D ( G_1 \) phase IV DNA replication Choose the correct answer from the options given below.
Read answer →Biology · PYQ NEET UG 2021
The organelles that are included in the endomembrane system are:
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Select the favourable conditions required for the formation of oxyhaemoglobin at the alveoli.
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Match the following:\nList - I\n(a) Physalia\n(b) Limulus\n(c) Ancylostoma\n(d) Pinctada\nList - II\n(i) Pearl oyster\n(ii) Portuguese Man of War\n(iii) Living fossil\n(iv) Hookworm\nChoose the correct answer from the options given below.
Read answer →Biology · PYQ NEET UG 2021
Which of the following statements is INCORRECT?
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Match List-I with List-II\nList – I\n(a) Cohesion\n(b) Adhesion\n(c) Surface tension\n(d) Guttation\nList – II\n(i) More attraction in liquid phase\n(ii) Mutual attraction among water molecules\n(iii) Water lose in liquid phase\n(iv) Attraction towards polar surfaces\nChoose the correct answer from the options given below.
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Match List-I with List-II: List-I List-II A Scapula I Cartilaginous joint B Cranium II Flat bone C Sternum III Fibrous joint D Vertebral column IV Triangular flat bone Choose the correct answer from the options given below.
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Persons with 'AB' blood group are called as "Universal recipients". This is due to:
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Match List-I with List-II\nList-I\n(a) Vaults\n(b) IUDs\n(c) Vasectomy\n(d) Tubectomy\nList-II\n(i) Entry of sperm through Cervix is blocked\n(ii) Removal of Vas deferens\n(iii) Phagocytosis of sperms within the Uterus\n(iv) Removal of fallopian tube\nChoose the correct answer from the options given below:
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Match List-I with List-II.\nList-I\n(a) Filariasis\n(b) Amoebiasis\n(c) Pneumonia\n(d) Ringworm\nList-II\n(i) Haemophilus influenzae\n(ii) Trichophyton\n(iii) Wuchereria bancrofti\n(iv) Entamoeba histolytica\nChoose the correct answer from the options given below:
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Dobson units are used to measure thickness of:
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Which enzyme is responsible for the conversion of inactive fibrinogens to fibrins?
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Read the following statements.\n(a) Metagenesis is observed in Helminths.\n(b) Echinoderms are triploblastic and coelomate animals.\n(c) Round worms have organ-system level of body organization.\n(d) Comb plates present in ctenophores help in digestion.\n(e) Water vascular system is characteristic of Echinoderms.\nChoose the correct answer from the options given below.
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DNA strands on a gel stained with ethidium bromide when viewed under UV radiation, appear as:
Read answer →Biology · PYQ NEET UG 2021
