Biology

The pineapple which under natural conditions is difficult to blossom has been made

The pineapple which under natural conditions is difficult to blossom has been made to produce fruits throughout the year by…

The correct sequence of cell organelles during photorespiration is:

The correct sequence of cell organelles during photorespiration is: Options (a) Chloroplast-Golgibodies-mitochondria (b) Chloroplast-Rough Endoplasmic reticulum, Dictyosomes (c) Chloroplast-peroxisome-mitochondria (d)…

The c₄ plants are photosynthetically more effficient than C₃ plants because:

The c₄ plants are photosynthetically more efficient than C₃ plants because: Options (a) the CO₂ compensation point is more (b)…

Benthic organisms are affected most by

Benthic organisms are affected most by Options (a) Water-holding capacity of soil (b) Light reaching the forest floor (c) Surface…

The age pyramid with broad base indicates

The age pyramid with broad base indicates Options (a) High percentage of young individuals (b) High percentage of old individuals…

What is true about the isolated small tribal populations?

What is true about the isolated small tribal populations? Options (a) There is a decline in population as boys marry…

Two plants can be conclusively said to belong to the same species if they

Two plants can be conclusively said to belong to the same species if they Options (a) have more than 90…

Which one of the following statements is correct for secondary succession ?

Which one of the following statements is correct for secondary succession ? Options (a) It begins on a bare rock…

The population of an insect species shows an explosive increase in numbers

The population of an insect species shows an explosive increase in numbers during rainy season followed by its disappearance at…

In the case of peppered moth (Biston betularia) the black

In the case of peppered moth (Biston betularia) the black - coloured form became dominant over the light- coloured form…