Biology MCQs Online Quiz Test 29

Q.1: Sperms of liverworts, mosses, ferns move towards archegonia, in response to uncleic acid released by the ovum. This is an example of ——?

1. Chemotropic movement
2. Chemotactic movement
3. Chemosastic movement
4. Haptonastic movement

Q.2: Which of the following cells are involved in soft callus formation?

1. Fibroblast and osteoblast.
2. Osteoblast and osteoclast.
3. Osteoclast and osteocyte
4. Onteocyte and osteoblast

Q.3: Bony callus formation completes in——?

1. 2-3 weeks
2. 3-4 weeks.
3. 2-3 months.
4. 3-4 months.

Q.4: The place of attachment of leaf with the shoot is called—–?

1. Pith.
2. Pit.
3. Pulvinus
4. Ecdysone

Q.5: Which of the following is a uni-nucleated cell?

1. A smooth muscle cell.
2. A cardiac muscle cell.
3. A skeletal muscle cell.
4. All of these

Q.6: Rapid movement of leaves of mimosa on touching is an example of ——-?

1. Turgor movement
2. Nastic movement
3. Tropic movements.
4. Growth movement

Q.7: Joint between two parietal bones, which is infact immovable one is an example of—–?

1. Fibrous joints.
2. Cartilaginous joints.
3. Synovial joints.
4. None of these

Q.8: Fibrous capsule surrounding synovial joints may be thickened at some places to form:?

1. Synovial membrane.
2. Ligaments.
3. Muscles.
4. Tendon

Q.9: Higher turgor pressure in a plant cell is maintained by——–?

1. Large number of vacoules in a plant cell.
2. Higher ionic concentration inside vacuoles resulting from active pumping of ions at their tonoplastic membrane
3. Higher osmotic pressure of the cell vacuole
4. both b and c

Q.10: In which of the following joint muscles are arranged in the same plane as that of joint?

1. Between radius and ulna.
2. Between ulna and scapula
3. Between humerus and scapula
4. Between femur and tibia.