961. Ribose is an example of:
(A) Trioses
(B) Tetroses
(C) Pentose
(D) Hexose
962. Which of the statement is not true for compounds like glycoprotein and glycolipids:
(A) They are conjugated molecules of carbohydrates
(B) Both have a role in the extracellular matrix of animals and bacterial cell wall
(C) They are components of biological membranes.
(D) Both are produced and secreted by the endoplasmic reticulum
963. A complex substance that on hydrolysis yields polyhydroxy aldehyde or ketone subunits is called:
(A) Lipid
(B) Carbohydrate
(C) Protein
(D) Carotein
964. Which of the following organs acts as a ‘Blood Bank’ and also ‘Grave Yard’ of blood corpuscles?
(A) Liver
(B) Spleen
(C) Kidney
(D) Bone
965. Nails, hoofs, and horns are examples of?
(A) Cartilage
(B) Bone
(C) Connective tissue
(D) Keratinized Derivatives
966. Among the functions served by Echinoderms’ water vascular system, which one is an exception?
(A) Storage of gametes
(B) Feeding
(C) Locomotion
(D) Gaseous exchange
967. In annelida, chloragogen tissue converts excess carbohydrates into energy-storing molecules of?
(A) Glycogen
(B) Fat
(C) Both A & B
(D) None of the above
968. Silk is produced by?
(A) Aedes
(B) Musca
(C) Bombyx and Araneae spiders
(D) Bombyx only
969. The one environmental problem that is the root of environmental problems is?
(A) Overpopulation
(B) Pollution
(C) Depletion of fossil fuel
(D) Deforestation
970. Which geological period in the age of the earth is also known as the age of fish?
(A) Devonian period
(B) Silurian period
(C) Cambrian period
(D) Ordovician period
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