STD 11 - 4. Animal kingdom — NEET STD 11 Science — Question

Which one of these animals is not a homeotherm?

Match the pairs of the human being listed under Column I with the functions given under Column II; choose the choice which gives the correct combination of the alphabets of the two columns:

Column I	Column II
(A) Cerebral hemisphere	(p) Relaying impulses
(B) Thalamus	(q) Posture and balance
(C) Cerebellum	(r) Control of heart, stomach, lungs, etc.
(D) Medulla oblongata	(s) Reflex actions
	(t) Voluntary control, intelligence, hearing, speech, etc

Which of the following statements are incorrect regarding universe including earth ?
(i) The Big Bang theory attempts to explain to us the origin of universe.
(ii) The universe expanded and hence, the temperature came down. Hydrogen and Helium formed sometime later.
(iii) The gases condensed under gravitation and formed the galaxies of the present day universe.
(iv) There was no atmosphere on early earth.
(v) Water vapour, methane, carbon dioxide and ammonia released from molten mass covered the earth surface.
(vi) The UV rays from the sun brokeup water into Hydrogen and Oxygen and the lighter O₂, escaped.

Feeling the tremors of an earthquake a scared resident of seventh floor of a multistoryed building starts climbing down the stairs rapidly. Which hormone initiated this action?

The artery, which supplies blood to the pericardium

Assertion: Characters segregate while formation of gametes.
Reason: The recessive characters are only expressed in homozygous conditions.

In Cockroach, the number of ganglia are

Hugo de Vries's experimental organism was

The nerve like modified muscle in the right auricle is known as