471. The organism that survived evolution:
Cockroach
472. The second-largest animal in cat family:
Lion
473. What is known as ‘poor man’s cow’?
Goat
474. Which organism has a tongue longer than its body?
Calotes
475. Which organism is the symbol of cancer:
Crab
476. Fish that have hand and legs:
Latimer
477. Tusk of the elephant is a modification of:
Incisors
478. Ichthyology is the study of:
Fish
479. Emu is a native of:
Australia
480. The bird that lives in Rookery:
Penguin
481. Archiopterics are the ancestors of:
Birds
482. Which gland is known as Adam’s apple?
Thyroid
483. The bone above the elbow:
Humerus
484. The bones below the elbow:
Radius and Ulna
485. The bones below the knee:
Tibia and Fibula
486. The bone above the knee:
Femur
487. What is known as the ‘relay station of the brain’?
Thalamus
488. Jarvic -7 is the name of artificial……
Heart
489. The wavy motion of food through the alimentary canal is:
Peristalsis
490. Which gland is known as ‘biological clock’?
Pineal gland
491. The hormone that regulates water in the human body:
Vasopressin
492. What per cent of the total energy in the human body is utilized by the brain?
20
493. The enzyme in the intestine that digests protein:
Pepsin
494. The plant food which is the richest source of protein:
Soyabean
495. What is known as the ‘blood bank in the human body’?
Spleen 50.
496. The substance that causes tears while handling onion:
Phosphorus
497. The bacteria found in the root nodules of leguminous plants are…….
Rhizobium
498. The tissue in man where no cell division occurs after birth is:
nerves
499. A symbolic association between a fungus and algae is:
Lichen
500. The insection stage of material parasite plasmodium that enters the human body:
sporozoite