Ravi performed an experiment as shown in the given figure.
Select the correct statement regarding it.
A He did not applied vaseline on all the leaves.
B He applied vaseline as he wants to study transpiration in plants.
C He kept plant in sunlight because higher temperature favours transpiration.
D All of these
The correct answer is D
Which of the labelled areas in the Venn diagram represents the small intestine?
Complete digestion of food takes place in small intestine. Also absorption of the digested food into the blood takes place in small intestine.
Read the given paragraph carefully.
The female silk (i) lays eggs. When an egg hatches, a tiny caterpillar called silkworm or (ii) crawls out. It feeds on leaves and grows. When it is ready to enter the next stage in its life cycle, it secretes a fibre made of (iii) , which hardens on exposure to air. This is the silk fibre. It covers itself completely with this fibre, to form a (iv) . At this stage, the larva is called a (v) , which grows and changes inside the covering and, a few weeks later comes out as an adult.
Select the correct sequence of words to complete the above paragraph.
A hoverfly looks like a honey bee (see the figures). Which of the following statements best explains how this adaptation helps the hoverfly to survive ?
ALooking like a honey bee keeps other animals away from the hoverfly's food.
BLooking like a honey bee allows the hoverfly to collect more pollen.
CLooking like a honey bee allows the hoverfly to blend with its environment.
DLooking like a honey bee prevents some predators from trying to eat the hoverfly.