Biology Test - ...

A bitter gourd climber plant winds around the bamboo stick planted near it. The winding movement of the tendrils of this climbing plant is an example of:

Which of the following statements regarding pollen grains is/are false?

a. The hard outer layer of pollen grains is made up of sporopollenin.
b. A mature pollen grain contains the vegetative cell and generative cell.
c. The exine is the inner wall of a pollen grain that is made up of cellulose and pectin.

After examining the X-ray reports, the doctor confirmed that the bones of Mrs. Khanna have become translucent. Which of the following disorders is the doctor referring to?

Which part of the cell contains water-like substances with dissolved molecules and suspended in them?

Who disproved the idea of spontaneous generation was once and for all?

Which of the following is also known as Krebs cycle?

Which of the following feature is common in amoeba, Hydra & spirogyra-

Orthodox seeds can be preserved for long periods at a temperature of:

Which of the following is a major coordinating center for sensory and motor signaling for the cerebrum?

Golden rice is: