MODEL QUESTIONS - PHYSICS

1. If the force is given by F=at+bt2 with ‘t’ as time, then dimensions of ‘a’ and ‘b’ are:
(1) MLT-4, MLT-2 (2) MLT-3, MLT-4
(3) ML2T-3, ML2T-2 (4) ML2T-3, ML3T-4

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2. A bomb moving with velocity (40 + 50 - 25 ) m/sec explodes into two pieces of mass ratio 1:4. After explosion the smaller piece moves away with velocity (200 + 70 + 15 ) m/sec. The velocity of larger piece after explosion is:
(1) 45 - 35 (2) 45 - 35
(3) 45 - 35 (4) -35 + 45

3. A ray of light passes through an equilateral prism such that the angle of incidence is equal to the angle of emergence and each one is equal to 3/4th the angle of prism. The angle of deviation is :
(1) 45 (2) 39 (3) 20 (4) 30

If Pn is the probability of getting the sum ‘n’ when two unbiased dice are thrown simultaneously then
(1) P5<P8<P10<P11 (2) P10<P5<P11<P8
(3) P11<P10<P5<P8 (4) P11<P10<P8<P5

MODEL QUESTIONS – CHEMISTRY
1. Which one of the following cannot be determined experimentally?
1) Order2) Rate 3) Rate constant 4) Molecularity

2. Which one of the following elements exhibits highest oxidation state?
1) Zn 2) Fe 3) Cu 4) Mn

3. Assertion (A): At 300 K, Kinetic energy of 16 grams of methane is equal to the kinetic energy of 32 grams of oxygen.
Reason (R) : At constant temperature, kinetic energy of one mole of all gases is equal.
The correct answer is:
1) Both (A) and (R) are true and (R) is the correct explanation of (A).
2) Both (A) and (R) are true and (R) is not the correct explanation of (A).
3) (A) is true but (R) is not true.
4) (A) is not true but (R) is true.

4. Match the following :
List I List II
A) Ethane 1. 2 sp carbons
B) Ethylene 2. 6 sp2 carbons
C) Acetylene 3. 2 sp3 carbons
D) Benzene 4. 2 sp2 carbons
5. 1 sp and 1 sp2 carbons

The correct answer is:
(A) (B) (C) (D)
1) 3 4 1 2
2) 4 5 3 2
3) 3 1 2 5
4) 2 3 4 5

MODEL QUESTIONS – BOTANY
1. Assertion (A): In the leaves of the sugarcane C3 and C4 cycles are spatially separated.
Reason (R) : Hatch and Slack pathway occurs in bundle sheath cells and Calvin cycle in mesophyll cells.
1) Both (A) and (R) are true. (R) is the correct explanation of (A)
2) Both (A) and (R) are true, but (R) is not the correct explanation of (A)
3) (A) is true but (R) is false
4) (A) is false but (R) is true

2. Arrange the following in the order of their occurrence in the life cycle of an angiospermic plant:
I. Primary Endosperm Nucleus II. Generative cell
III. Xenogamy IV. Mericarp
The correct sequence is:
1) I, III, II, IV 2) III, I, IV, II
3) II, III, I, IV 4) IV, I, II, III

3. If one strand of DNA molecule has the nucleotide sequence TAC AAT CGG TAA, the new stand synthesized by heterocatalysis of it will have the nucleotide sequence as:
1) ATG TTA GCC ATT 2) TAC AAT CGG TAA
3) AUG UUA GCC AUU 4) TUC UUT CGG TUU

4. Study the following lists: List I List II
A) Monarch I.. Gossypium
B) Tetrarch II. Nicotiana
C) Diarch III. Ricinus
D) Octarch IV. Trapa
V. Castanea
The correct match is:
(A) (B) (C) (D)
1. I IV V II
2. IV I III V
3. II III IV I
4. IV I II V

5. The vegetative free floating filaments of Spirogyra have:
I . 1-16 chloroplasts in each cell
II. Many pyrenoids in each cell
III. Many nuclei in each cell
IV. Differentiation of base and apex
The correct combination is:
1) I and II 2) II and III 3) I and III 4) II and IV

MODEL QUESTIONS – ZOOLOGY
1. In rabbit obturator foramen is present on
1) Sternum 2) Skull 3) Pectoral girdle 4) Pelvic girdle

2. Identify the sequence of leg parts of cockroach from base to tip of the leg A) Tibia B) CoxaC) Tarsus D) Femur E) Trochanter Correct sequence is
1) B-A-D-E-C
2) B-E-D-A-C
3) A-D-C-B-E
4) A-C-B-E-D

3. Multiple selection type
A) Ribs are double headed with capitulum and tuberculum
B) A Complete bony secondary palate is present
C) Heart is three chambered
D) Foramen of Panizza connects left and right systemic arches Which of the above are true about Crocodiles.
1) All 2) Only A,B & D 3) Only A,B & C 4) Only B,C &D

4. Matching type SET-I SET-II Scientific names Common Names
A) Pinctada I) Elephant tusk shell
B) Teredo II) Sea hare
C) Dentalium III) Pearl Oyster
D) Aplysia IV) Marine mussel
V) Ship worm
Identify the correct match between SET-I and SET-II
A B C D
1) III IV II I
2) III I II V
3) III V I II
4) III V II IV

5. Statement and Reason type Statement (S): During favourable conditions Euglena undergoes longitudinal binary fission.
Reason (R): Binary fission in Euglena is described as symmetrogenic division as daughter individuals are like mirror images.
1) Both S and R correct and R is the correct explanation to ‘S’.
2) Both S and R are correct but R is not correct explanation to ‘S’.
3) S is correct but R is not correct.
4) S is not correct but R is correct.

MODEL QUESTIONS – CHEMISTRY
1. Which one of the following cannot be determined experimentally?
1) Order2) Rate 3) Rate constant 4) Molecularity

2. Which one of the following elements exhibits highest oxidation state?
1) Zn 2) Fe 3) Cu 4) Mn

3. Assertion (A): At 300 K, Kinetic energy of 16 grams of methane is equal to the kinetic energy of 32 grams of oxygen.
Reason (R) : At constant temperature, kinetic energy of one mole of all gases is equal.
The correct answer is:
1) Both (A) and (R) are true and (R) is the correct explanation of (A).
2) Both (A) and (R) are true and (R) is not the correct explanation of (A).
3) (A) is true but (R) is not true.
4) (A) is not true but (R) is true.

4. Match the following :
List I List II
A) Ethane 1. 2 sp carbons
B) Ethylene 2. 6 sp2 carbons
C) Acetylene 3. 2 sp3 carbons
D) Benzene 4. 2 sp2 carbons
5. 1 sp and 1 sp2 carbons

The correct answer is:
(A) (B) (C) (D)
1) 3 4 1 2
2) 4 5 3 2
3) 3 1 2 5
4) 2 3 4 5