Question With Answer Biology
Q.1: Which one of the following pairs of structures is correctly matched with their correct description?
A: Structure Description Tibia and fibula Both form parts of knee joint
B: Cartilage and cornea No blood supply but do require oxygen for respiratory need
C: Shoulder joint and elbow joint Ball and socket type of joint
D: Premolars and molars 20 in all and 3 rooted
Correct Answer: B
Q.2: Fastest distribution of some injectible material/medicine and with no risk of any kind can be achieved by injecting it into the
A: muscles
B: arteries
C: veins
D: lymph vessels
Correct Answer: C
Q.3: Which one of the following statements about the particular entity is true?
A: Centromere is found in animal cells which produces aster during cell division
B: The gene for producing insulin is present in every body cell
C: Nucleosome is formed of nucleotides
D: DNA consists of a core of eight histones
Correct Answer: B
Q.4: Which one of the following is a xerophytic plant in which the stem is modified into the flat green and succulent structure?
A: Opuntia
B: Casuarina
C: Hydrilla
D: Acacia
Correct Answer: A
Q.5: Which of the following is used in gene cloning?
A: Nucleoids
B: Lomasomes
C: Mesosomes
D: Plasmids
Correct Answer: D
Q.6: When domestic sewage mixes with river water
A: small animals like rats will die after drinking river water
B: the increased microbial activity releases micronutrients such as iron
C: the increased microbial activity uses up dissolved oxygen
D: the river water is still suitable for drinking as impurities are only about 0.1%
Correct Answer: C
Q.7: In which one of the following organism, its excretory organs are correctly stated?
A: Humans — Kidneys, sebaceous glands and tear glands
B: Earthworm — Pharyngeal, integumentary and septal nephridia
C: Cockroach — Malpighian tubules and enteric caeca
D: Frog — Kidneys, skin and buccal epithelium
Correct Answer: B
Q.8: The most apparent change during the evolutionary history of Homo sapiens is traced in
A: loss of body hair
B: walking upright
C: shortening of the jaws
D: remarkable increase in the brain size
Correct Answer: D
Q.9: Which one of the following is now commercially produced by biotechnolo procedures?
A: Nicotine
B: Morphine
C: Quinine
D: Insulin
Correct Answer: D
Q.10: If for some reason the parietal cells of the gut epithelium become partially non-functional, what is likely to happen?
A: The pancreatic enzymes and specially the trypsin and lipase will not work efficiently
B: The pH of stomach will fall abruptly
C: Steapsin will be more effective
D: Proteins will not be adequately hydrolysed by pepsin into proteoses and peptones
Correct Answer: D
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