In a population of 1000 individuals 360 belong to genotype AA, 480 to Aa and
In a population of 1000 individuals 360 belong to genotype AA, 480 to Aa and the remaining 160 to aa,…
In a population of 1000 individuals 360 belong to genotype AA, 480 to Aa and the remaining 160 to aa,…
During biological nitrogen fixation, inactivation of nitrogenase by oxygen poisoning is prevented by : Options (a) Xanthophyll (b) Carotene (c)…
An association of individuals of different species living in the same habitat and having functional interactions is: Options (a) Biotic…
A population will not exist in Hardy -Weinberg equilibrium if : Options (a) There are no mutations (b) There is…
What causes a green plant exposed to the light on only one side, to bend toward the source of light…
Typical growth curve in plants is : Options (a) Linear (b) Stair-steps shaped (c) Parabolic (d) Sigmoid Correct Answer: Sigmoid…
Match the following and select the correct answer: (a) Centriole (i) lnfoldings in mitochondria (b) Chlorophyll (ii) Thylakoids (c) Cristae…
Dr F. Went noted that if coleoptile tips were removed and placed on agar for one hour, the agar would…
Auxin can be bioassayed by : Options (a) Hydroponics (b) Potometer (c) Lettuce hypocotyl elongation (d) Avenacoleoptile curvature Correct Answer:…
A few normal seedling of tomato were kept in a dark room. After few days they were found to have…