Transport in Plants — BIOLOGY STD 11 Science — Question

Differentiate between absorption spectrum and action spectrum.

Write a brief description on the characteristics of Monera kingdom.

Seeds of some plants germinate immediately after shedding from the plants while in other plants they require a period of rest before germination. The later phenomena is called as dormancy. Give the reasons for seed dormancy and some methods to break it.

Comment on the statement – Respiration is an energy producing process but ATP is being used in some steps of the process.

It is absolutely not necessary to produce amylase in an inactive form in our body, but it is not so, in the case of trypsin. Give reason.

Ascaris larva is called:

1. Cysticercus.
2. Rhabditiform.
3. Hexacanth.
4. Onchosphere.

Can we relate metabolism with growth of the body?

What is the difference between open vascular bundle and closed vascular bundle?

What is the significance of vacuole in a plant cell?

Birds and mammals share one of the following characteristics as a common feature.

1. Pigmented skin.
2. Pneumatic bones.
3. Viviparity.
4. Warm blooded.