401. The pad-like swelling at the base of each leaf of a sensitive plant is called:
402. The process by which green plants make their own food from carbon dioxide and water by using sunlight energy in the presence of chlorophyll, is called:
403. The process by which new species develop from the existing species is called:
404. The process in which the food containing large, insoluble, molecules is broken down into small, water soluble molecules is called:
405. The process of getting back a full organism from its body part is called:
406. The process of removal of toxic wastes from the body of an organism is called: –– ADVERTISEMENT ––
407. The shorter fibres on the body of a neuron are called:
408. The symptoms of hypothyroidism are:
409. The theory of origin of life on earth is proposed by:
410. The transfer of pollen grains the anther of a stamen to the stigma of a carpel is called:
411. The undigested food stored in the liver in the form of carbohydrate is called:
412. There is a very, yellow dust that comes away on the fingers, wherever we touch the middle of a flower. These tiny yellow grains are one of the most precious substances in nature because they contain the secret of plant life. What is this dust called?
413. Those organs which have different basic structure but have similar appearance and perform similar functions are called:
414. Those organs which have same basic structure but different functions are called:
415. Too much release of thyroid hormone in the body causes:
416. Various methods used by plants to get rid of their waste products are: I. Gaseous waste through stomata and lenticels. II. Stored solid and liquid waste by shedding leaves, peeling of bark and falling of fruits. III. By secreting waste in the form of gum and resins. Which of the following statements is/are correct?
417. What are heterotrophs, mostly bacteria and fungi, when obtain food by breaking down substances in dead protoplasm are called:
418. What are the functions of thyroid gland in the body?
419. What are the symptoms of release of too much T3 and T4 hormones?
420. What are the two main hormones secreted by Thyroid gland?
421. What are those animals called which eat both plants and animals?
422. What are those reflex actions called which involve brain?
423. What causes the 'mad-cow disease' (Jakob-Creutzfeldt disease)?
424. What do you understand by NADP?
425. What happen when the exposure to carbon monoxide (from coal gas) is extremely dangerous and can kill a patient?