Consider the following statements.

1) A cold-blooded animal can convert much more of its food into body mass compared with a warm- blooded animal of the same weight.

2) Mammals and birds require much more food and energy than do cold-blooded animals of the same weight.

Which of the above is/are correct?

Which of these flowers are NOT single flowers, but actually a group of flowers?

1) Marigold

2) Rose

3) Sunflower

Select the correct answer using the codes below.

What are the atmospheric factors affecting transpiration in plants?

1) Relative humidity

2) Wind and air movement

3) Soil-moisture availability

Select the correct answer using the codes below.

What is the difference between angiosperms and gymnosperms, which are the major categories of plant division?

1) Angiosperms are seed producing whereas gymnosperms do not produce seeds.

2) Gymnosperms are flower bearing plants whereas Angiosperms do not bear flowers.

Select the correct answer using the codes below.

Consider the following statements.

1) Chlorophyll, that gives plants their characteristic green colour, does not absorb any visible light, or electromagnetic energy.

2) The hydrogen obtained from water is combined with carbon dioxide in the processes of photosynthesis to form sugars for the plant.

Which of the above is/are correct?