A stone tied to the end of 20cm long string whirled in a horizontal circle. If the centripital acceleration is 9.8 $m / s ^2$. Its angular speed in radian/sec is ?
- A22/7
- ✓7
- C14
- D20
Answer: B.
View full solution →Question types
Model Paper 4 question types
180 questions across 4 question groups — pick any mix to generate a NEET paper with step-by-step answer keys.
180
Questions
4
Question groups
5
Question types
01
SECTION - A [PHYSICS - MCQ]
45 Q→02SECTION - A [CHEMISTY - MCQ]
45 Q→03SECTION - A [BOTANY - MCQ]
45 Q→04SECTION - A [ZOOLOGY - MCQ]
45 Q→Sample Questions
Model Paper 4 questions
One sample from each question group in this chapter. Select any group above to see the full set with answer keys.
In a single slit diffraction experiment first minima of $\lambda_1=6000 Å$ coincides with first maxima for wavelength $\lambda_2$, then $\lambda_2$ is :
- ✓4000 Å
- B5000 Å
- C4800 Å
- D5500 Å
Answer: A.
View full solution →An a.c. circuit $e=400 \sin 200 t$ volt and $i=\sin$ $\left(200 t +\frac{\pi}{3}\right)$ amp. Then the average power consumed is :
- A100 W
- B200 W
- ✓400 W
- D$200 \sqrt{2} W$
Answer: C.
View full solution →Two identical particles move towards each other with velocity (2V) and (V) respectively the velocity of centre of mass
- AV
- BV/3
- ✓V/2
- DZero
Answer: C.
View full solution →A ball takes $(t)$ second to fall from a height $\left(H_1\right)$ and $2 t$ second to fall from a height $\left( H _2\right)$. Then $\sqrt{\frac{ H _1}{ H _2}}$ is (consider ideal motion) :
- A2
- B4
- ✓0.5
- D0.25
Answer: C.
View full solution →When HCI react's with finely powdered iron, which of the following is produced?
- ✓$FeCl _2+ H _2$
- B$FeCl _3+ H _2$
- CBoth 1 and 2
- DOnly $FeCl _2$
Answer: A.
View full solution →Correct order of catenation tendency:
- A$C > Si > Ge > Sn$
- ✓$C \gg Si > Ge \simeq Sn$
- C$Si > C > Sn > Ge$
- D$Ge > Sn > Si > C$
Answer: B.
View full solution →Which of the following does not exist?
- A$XeOF _4$
- ✓$NeF _2$
- C$XeF _2$
- D$XeF _6$
Answer: B.
View full solution →Correct order of C-O bond length among CO, $CO _3^{-2}, CO _2$ is
- A$CO < CO _3^{-2}< CO _2$
- B$CO _3^{-2}< CO _2< CO$
- ✓$CO < CO _2< CO _3^{-2}$
- D$CO _2< CO < CO _3^{-2}$
Answer: C.
View full solution →Observe the following diagram for boiling points of different alkanes. Identify the hydrocarbons $X$, $Y , Z , W , R$
- A
- B
- C
- D
Which of the following structure are present in male and female cockroach both:
(a) Anal cerci
(b) Anal style
(c) Compound eye
(d) Antennae
(e) Three pairs legs
(a) Anal cerci
(b) Anal style
(c) Compound eye
(d) Antennae
(e) Three pairs legs
- Aa,c,e only
- Bb,c,e only
- Ca,b,e only
- ✓a, c, d, e
Answer: D.
View full solution →Select the correct match
| A. Fleshy cylindrical stem | I. Euphorbia |
| B. Underground stem | II. Zaminkand |
| C. Underground root | III. Carrot |
| D. Stilt root | IV. Maize |
- ✓A-I, B-II, C-III, D-IV
- BA-IV, B-III, C-II, D-4
- CA-IV, B-II, C-III, D-I
- DA-I, B-IV, C-II, D-III
Answer: A.
View full solution →Vessels are present in the xylem of:
(A) Plasmodium
(B) Mustard
(C) Brinjal
(D) Alternaria
(E) Pinus
(A) Plasmodium
(B) Mustard
(C) Brinjal
(D) Alternaria
(E) Pinus
- AA,B,C
- ✓B,C
- CB,C,E
- DB,C,D,E
Answer: B.
View full solution →Select the incorrect match for mendel experiment
- ✓RrYY - Yellow wrinkled
- Brrуу - Yellow wrinkled
- CTt - Tall plant
- Dtt - Dwarf plant
Answer: A.
View full solution →The process of translation is
- ARibosome synthesis
- ✓Protein synthesis
- CDNA synthesis
- DRNA synthesis
Answer: B.
View full solution →Match List-l with List-ll regarding the organs of cock roach:
Choose the correct answer from the options given below:
| List - l | List - ll |
| (a) Crop | (i) grinding the food particles |
| (b) Proventriculus | (ii) secretion of digestive juice |
| (c) Hepatic caecae | (iii) removal of nitrogenouswaste |
| (d) Malpighian tubules | (iv) storage of food |
- ✓(a)-(iv), (b)-(i), (c)-(ii), (d)-(iii)
- B(a)-(iii), (b)-(ii), (c)-(i), (d)-(iv)
- C(a)-(ii), (b)-(iv), (c)-(i), (d)-(iii)
- D(a)-(i), (b)-(iv), (c)-(iii), (d)-(ii)
Answer: A.
View full solution →Regeneration of damaged growing grass following grazing is largely due to :
- ALateral meristem
- BApical meristem
- ✓Intercalary meristem
- DSecondary meristem
Answer: C.
View full solution →Which of the following statements is INCORRECT
- ACockroaches exhibit mosaic vision with less sensitivity and more resolution
- BA mushroom-shaped gland is present in the 6th-7th abdominal segments of male cockroach
- CA pair of spermatheca is present in the 6th segment of female cockroach
- ✓Female cockroach possesses sixteen ovarioles in each ovary
Answer: D.
View full solution →Match the following RNA polymerases with their transcribed products:
Select the correct option from the following:
| Column - l | Column - ll |
| (a) RNA polymerase I | (i) tRNA |
| (b) RNA polymerase II | (ii) rRNA |
| (c) RNA polymerase III | (iii) hnRNA |
- A(a)-(i), (b)-(iii), (c)-(ii)
- B(a)-(i), (b)-(ii), (c)-(iii)
- ✓(a)-(ii), (b)-(iii), (c)-(i)
- D(a)-(iii), (b)-(ii), (c)-(i)
Answer: C.
View full solution →DNA replication is semi-conservative in nature was experimentally proved in eukaryotes by:
- AHershey and Chase
- BMacleod and McCarty
- CMeselson and Stahl
- ✓Talyor and his colleagues
Answer: D.
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