2036: Oxygen transportation in a human body takes place through

I. Blood
II. Lungs
III. Tissue

The correct sequence of transportation is

(a) I, II, III
(b) III, I, II
(c) II, I, III
(d) I, III, II
2037: There are 6 persons A, B, C, D, E and F. they are to be seated in a row such that B never sits anywhere ahead of A, and C never sits anywhere ahead of B. In how many different ways can this be done?

(A) 120
(B) 72
(C) 60
(D) None
2038: With reference to the history of Indian rock-cut architecture, consider the following statements:

1. The caves at Badami are the oldest surviving rock-cut caves in India.

2. The Barabar rock-cut caves were originally made for Ajivikas by Emperor Chandragupta Maurya.

3. At Ellora, caves were made for different faiths.

Which of the statements given above is/are correct?

(a) 1 only
(b) 3 only
(c) 2 and 3 only
(d) 1, 2 and 3
2039: Which of the following is/are found in plant cells but not in those of animals ?

(a) Plastid & Cellular wall

(b) Chromosome

(c) Mitochondria & Golgi apparatus

(d) Cell wall & lysozyme
2040: Given :

Humidity : H

High : A

Wind Velocity : W

Low : B

Temperature : T

The desert cooler is an appropriate cooling device for regions where

(a) HAWATB

(b) HBWBTA

(c) HAWBTB

(d) HAWATA