Photosynthesis in Higher Plants — BIOLOGY STD 11 Science — Question

Transfer of Taenia to secondary host occurs as:

1. Oncosphere.
2. Cysticercus.
3. Morula.
4. Egg.

Given below are types of cells present in some animals. Which of the following cells can differentiate to perform different functions?

1. Choanocytes.
2. Interstitial cells.
3. Gastrodermal cells.
4. Nematocytes.

Choose the correct pair.

1. Hippocampus – 3-chambered heart.
2. Rana – 2-chambered heart.
3. Crocodilus – 4-chambered heart.
4. Pavo – 3-chambered heart.

Explain one similarity and one difference between the Ball and Socket Joint and the Hinge Joint. Make a labelled diagram of an immovable joint.

How does cambium ring form in a dicot stem?

Chlorophyll ‘a’ is the primary pigment for light reaction. What are accessory pigments? What is their role in photosynthesis?

How do arteries and veins differ in regard to:

1. Presence of semilunar valves.
2. Presence of blood.

All birds have:

1. Internal fertilization, are oviparous and eggs are covered with calcareous shell.
2. Nests to care their babies.
3. Feather on their body and can fly.
4. Oil gland at the base of tail.

In most plants, the terminal bud suppresses the development of lateral buds. What is this phenomenon called? Name the phytohormone that can promote the phenomenon.

Write one feature each of liverworts and mosses.