Last seen: Mar 10, 2022
Correct answer: (a) 1-D, 2-A, 3-B, 4-C Explanation: A filamentous protein structure present in the cytoplasm is called cytoskeleton. Flagella i...
Correct answer: (b) calcium pectate Explanation: Middle lamella is made up of calcium pectate.
Correct answer: (b) semi-permeable Explanation: Plasma membrane is a selective permeable membrane that allows only selective molecules to pass thr...
Correct answer: (a) Cytoplasm
Correct answer: (a) 23 sr RNA
Correct answer: (b) Robert hooke
Correct answer: (d) Exosmosis
Correct answer: (b) flagellin Explanation: Bacterial flagella is made up of protein flagellin.
Correct answer: (b) plasmodesmata
Correct answer: (a) Phallic gland Explanation: Phallic gland is a part of male reproductive system of cockroach. It helps in formation of sperm...
Correct answer: (b) Setae Explanation: Setae helps in locomotion of earthworms.
Correct answer: (d) Nictitating Explanation: Frogs have nictitating membrane which protect their eyes in water.
Correct answer: (d) all of these Explanation: Frogs are beneficial to man because they protect crops and eat insects. They maintain ecological ...
Correct answer: (d) bone to muscle
Correct answer: (a) actin
Correct answer: (a) sublingual
Correct answer: (b) they are single–layered in thickness
Correct answer: (b) Anal
Correct answer: (a) trachea
Correct answer: (a) the exchange of respiratory gases