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…
8 years ago
Questions
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…
8 years ago
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…
8 years ago
A biologist studied the population of rats in a barn
A biologist studied the population of rats in a barn. He found that the average natality was 250, average mortality…
8 years ago
During the transmission of nerve impulse through a nerve fibre
During the transmission of nerve impulse through a nerve fibre, the potential on the inner side of the plasma membrane…
8 years ago
Which one of the following is the correct difference between Rod Cells
Which one of the following is the correct difference between Rod Cells and Cone Cells of our retina? Options (a)…
8 years ago
Cornea transplant in humans is almost never rejected. This is because
Cornea transplant in humans is almost never rejected. This is because Options (a) Its cells are least penetrable by bacteria…
8 years ago
Which of the following is an example of negative feedback loop in humans?
Which of the following is an example of negative feedback loop in humans? Options (a) Secretion of tears after falling…
8 years ago
During the propagation of a nerve impulse, the action potential results from
During the propagation of a nerve impulse, the action potential results from the movement of? Options (a) K⁺ ions from…
8 years ago
When a neuron is in resting state I not conducting any impulse, the axonal membrane is:
When a neuron is in resting state I not conducting any impulse, the axonal membrane is: Options (a) comparatively more…
8 years ago