Which of the following statements best describes the motion of Earth?
AIt spins as it orbits the stars.
BIt spins as it orbits the Moon.
CIt makes one complete turn as it orbits the Sun.
DIt makes one complete turn as it orbits the Moon.
A is the correct answer. C cannot be an answer because any planetary motion is circular or elliptical. So it will anyway make one or more complete turn over a period on time.
Refer to the given word grid and answer the following questions.
The term used for __________ can be found in the given word grid.
A The process of clearing forests
B Rain which is acidic in nature
C The process of re-establishing a cleared forest
D Materials that get decomposed when thrown
Which of the following statements are correct regarding the given figure?
(i) The parts labelled as Q and R carry blood having low oxygen concentration.
(ii) The parts labelled as P, Q and R carry blood having low oxygen concentration.
(iii) The blood flows out of the heart through blood vessel Q when ventricle contracts.
(iv) The blood is flowing out of the heart through blood vessel Q when atria contract.
A (ii) and (iv) only
B (ii), (iii) and (iv) only
C (i), (ii) and (iii) only
D (i) and (iii) only
The given figure shows human digestive system with parts labelled as d, e, f, g and h. In which labelled parts the following occur?
(1) Acid and enzymes break the food.
(2) Absorption of most water from the food takes place.
Complete the given statements by selecting the correct words from the options given below.
(A) ___(i)___ is a kind of manure which is prepared in the field itself to enrich soil with nitrogen and phosphorus.
(B) ____(ii)____ is a draught breed of cattle.
(C) In ___(iii)____ water escapes from revolving nozzle and falls like rain on the crops.
(D) ____(iv)____ is the process of crossing individuals of two different species to produce hybrid.