The finch species of Galapagos Islands are grouped according to their food sources. Which of the following is not a finch food?
Options
(a) Seeds (b) Carrion (c) Insects (d) Tree buds
Correct […]
Climate of the world is threatened by
Options
(a) Increasing concentration of atmospheric oxygen (b) Decreasing amount of atmospheric oxygen (c) Increasing amount of atmospheric carbondioxide (d) Decreasing amount of atmospheric carbondioxide
Correct […]
Which one of the following is not correct as regards the harmful effects of particulate matter of the size 2.5 micro meters or less?
Options
(a) It can be inhaled into the lungs […]
A healthy person eats the following diet – 5 gm raw sugar, 4 gm albumin, 10 gm pure buffalo ghee adultrated with 2 gm vegetable ghee (hydrogenated vegetable oil) and 5 gm lignin. How many […]
Which enzymes are likely to act on the baked potatoes eaten by a man, starting from the mouth and as it moves down the alimentary canal?
Options
(a) Salivary maltase → carboxypeptidase → trypsinogen […]
Which of the following represents the action of insulin?
Options
(a) Increased blood glucose levels by hydrolysis of glycogen (b) Increases blood glucose levels by stimulating glucagon production (c) Decreases blood glucose levels […]
Norepinephrine: (1) Is released by sympathetic fibres (2) Is released by parasympathetic fibres (3) Increases the heart rate (4) Decreases blood pressure Which of the above said statements are correct?
Options
(a) (1) and (4) […]
During the metaphase stage of mitosis spindle fibres attach to chromosomes at
Options
(a) Centromere (b) Kinetochore (c) Both centromere and kinetochore (d) Centromere, kinetochore and areas adjoining centromere
Correct Answer:
Kinetochore
Explanation:
Kinetochores […]
Which one of the following is one of the paths followed by air/O₂ during respiration in an adult male Periplaneta americana as it enters the animal body?
Options
(a) Hypopharynx, mouth, pharynx, trachea, tissues […]
RNA interference involves
Options
(a) Synthesis of mRNA from DNA (b) Synthesis of cDNA from RNA using reverse transcriptase (c) Silencing of specific mRNA due to complementary RNA (d) Interference of RNA in […]
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