Which of the following is the most abundant protein in the animal world?
(A) RuBisCO (B) Keratin (C) Collagen (D) All of these The Correct Answer is (C) Collagen. Solution: Collagen is the... View Article
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Respiratory Pigment in Blood of Pteropus Contain
(A) Cytochrome (B) Haemocyanin (C) Haemoglobin (D) Hemerythrin The Correct Answer is (C) Haemoglobin. Solution: Respiratory pigments are the pigments... View Article
The below-given diagram represents the pyramid of energy in _________.
(A) Desert Ecosystem (B) Forest Ecosystems (C) Tundra Ecosystems (D) An aquatic ecosystem The Correct Answer is (D) An aquatic... View Article
Which of the following sentences is true about the human egg?
(A) The human egg is known as an alecithal egg. (B) The human n egg is known as a telolecithal... View Article
Which of the following enzymes are produced by the chief cells of the gastric fundus?
(A) Pepsin (B) Trypsin (C) Pepsinogen (D) Chymotrypsin The Correct Answer is (C) Pepsinogen Solution Pepsinogen is the zymogen, or... View Article
Which among the following is not a locomotory organ in protozoa?
(A) Cilia (B) Parapodia (C) Flagellum (D) Pseudopodia The Correct Answer is (B) Parapodia Solution: Protozoa are unicellular, eukaryotic, heterotrophic... View Article
Which of the following are the modes of transmission of aids?
(A) Through sexual contact (B) Through blood transfusion (C) Through infected needles or syringes (D) All of these. The Correct... View Article
Which one of the following is the correct sequence of levels of the hierarchy of classification of organisms from higher to lower?
(A) Phylum – Kingdom – Class – Order – Family – Species – Genus. (B) Genus – Species – Family... View Article
Which among the following is a locomotory organ in protozoa?
(A) Cilia (B) Flagellum (C) Pseudopodia (D) All of these The Correct Answer is (D) All of these Solution: Most... View Article
In 1953, Watson and Crick proposed DNA double helix model for which they won the Nobel Prize. Their model of DNA was based on:
(A) Chargaff’s base equivalence rule (B) Griffith’s transformation experiment (C) X-ray diffraction studies of DNA done by Wilkins and Franklin... View Article
Which of the following devices is the non-medicated IUD?
(A) LNG-20 (B) Copper T (C) Progestasert (D) Lippes Loop The Correct Answer is (D) Lippes Loop Solution Lippes Loop... View Article
What are Carbon dioxide and nitrous oxide’s relative contributions to the greenhouse effect?
(A) 20% and 4% (B) 40% and 6% (C) 50% and 6% (D) 60% and 6% The Correct Answer is... View Article
What is the relative contribution of methane and CFCs towards the greenhouse effect?
(A) 14% and 6% (B) 20% and 14% (C) 20% and 16% (D) 60% and 20%. The Correct Answer is... View Article
The thallus of Volvox is called _______.
(A) Filament (B) Coenobium (C) Coenocyte (D) Heterotrichous The Correct Answer is (B) Coenobium Solution? The thallus of Volvox is... View Article
Which of the following sentences is true about the bacterial plasmid?
(A) Bacterial plasmid contains DNA (B) Bacterial plasmid protects the bacteria from stressful environments (C) Bacterial plasmid is used as... View Article
Which of the following statements is valid for the enzymes’ name, secretion, and the substrate upon which it acts.
(A) Ptyalin – Intestine – Maltose (B) Pepsin – Stomach wall – Casein (C) Ptyalin – Pancreas – Lipid CoA... View Article
In testis, which of the following cells are not found in the interstitial spaces between the seminiferous tubules?
(A) Sertoli cells (B) Leydig’s cells (C) Germinal cells (D) Both (A) and (C) The Correct Answer is (D) Both... View Article
Which of the following elements are present in the phloem of angiosperms?
(A) Sieve cells (B) Parenchyma (C) Companion cells (D) Both (B) and (C) The Correct Answer is (D) Both (B)... View Article
The structure of the nuclear membrane helps in:
(A) Synapsis of homologous chromosome (B) Nucleo-cytoplasmic exchange of material (C) Anaphasic separation of daughter chromosome (D) All of These... View Article
What are the functional components of the ecosystem?
There are essential functional components of the ecosystem: Abiotic factors Abiotic factors refer to all the non-living things present in... View Article
