Among the following the maximum covalent character is shown by the compound

Oxygen which is liberated during photosynthesis comes from

12, 32, 72, 152,_______,632

Kepler’s laws are mostly applicable.

The number of types of bonds between two carbon atoms in calcium carbide is

Living cells placed in an isotonic solution tend to retain their shape and size. This is based on the principle of

1, 2, 3, 5, 7,______,13

Newton’s theory about gravity says that gravity

In which of the following pairs of molecules/ions, both species are not likely to exist?

The theory of natural selection was given by

3, 8, 22, 63, 185,_____

The number of d-electrons retained in Fe2+ (At.no. of Fe = 26) ion is

In dicot stem, vascular bundles are

J,L,N,P,R,T,________

Which of the following statements in relation to the hydrogen atom is correct ?

Which of the following is a synonym for “ubiquitous”?

C,F,I,L,O,R,_________

∆U is equal to

Which of the following words is an antonym of “verbose”?

AD, EH, IL, ____, QT, UX

The enthalpy change for a reaction does not depend upon the

Which of the following is a type of sentence that expresses a strong emotion or command?

AZ, BY, CX, D________

Which of the following are Lewis acids?

Which of the following is a synonym of “prolific”?

aa HI cc, cc JK ee, ee LM gg, ____

What is the conjugate base of OH–?

Which of the following is a preposition?

A 20 kg solid block of Aluminum (Al = 2.70 g/cc) is placed in a beaker of water filled to the brim. Some water overflows. The same is done in another beaker with a 20 kg solid block of lead (lead = 11.3 g/cc) Does the block of lead displace more, less, or the same amount of water as the aluminum block?

The correct relationship between free energy change in a reaction and the corresponding equilibrium constant Kc is

Which of the following is an antonym for “infamous”?

A ball rests upon a flat piece of paper on a table top. The paper is pulled horizontally but  quickly towards right as shown. Relative to its initial position with respect to the table, the  ball:-
(i) Remains stationary if there is no friction between the paper and the ball.
(ii) Moves to the left and starts rolling backwards, i.e. to the left if there is a friction between the paper and the ball.
(iii) Moves forward, i.e. in the direction in which the paper is pulled.
Here, the correct statement/s is/are

Which one of these features is not a characteristic of the phylum Chordata?

Which of the following words is an adjective?

A bomb at rest explodes into a large number of tiny fragments. The total momentum of all the fragments

Arrange the following in ascending order of Linnaean hierarchy

Which of the following is a clause?

Body of mass 2kg is acted upon by two perpendicular forces 4N along the x‐axis and 3N along y‐axis. What is the magnitude of the acceleration of the body?

An inexhaustible non-conventional universal source of energy is

Which of the following sentences is in the passive voice?

A box is being pushed horizontally along the floor in a straight line at a constant speed. What must be true of the magnitude of the applied pushing force compared to the  magnitude of the (kinetic) friction force?

Term ‘Biopiracy’ is related to

Which of the following is a synonym for “enthusiastic”?

Which are the correct units for coefficient of friction?

Nuclear membrane is absent in

15, 20, 30,_____,65

Considering Newton’s model of gravity, which of the following statements concerning the “constants” G and g is true?

Highest auxin concentration occurs in

18, 30, 48, 72, 96,______

Newton’s First Law of Motion is sometimes called the “Law of Inertia”. What is “inertia”?