Free Printable BrainsPrep Saturday Quiz

1.

The algebraic expression of an Arithmetic Sequence is 3n + 4. Then find its common difference

a)

7

b)

4

c)

3

d)

1

2.

This part of the eye dilates and contracts based on the environment

a)

Sclera

b)

Cornea

c)

Lens

d)

Pupil

3.

Sum of n terms of an arithmetic sequence is given by $4n^2+3n.$ Then find its second term.

a)

7

b)

8

c)

18

d)

15

4.

The image formed on the retina of the human eye is

a)

Virtual and Inverted

b)

Real and Inverted

c)

Real and Erect

d)

Virtual and Erect

5.

Write down the algebraic expression of sequence of natural numbers ending in 1

a)

$10n-9$

b)

$9n-10$

c)

$10n+9$

d)

$9n+10$

6.

Where are the auditory receptors seen?

a)

Pinna

b)

Middle Ear

c)

Cochlea

d)

Eustachian tube

7.

Find the 12th term of an arithmetic sequence with algebraic expression $-4n+2$

a)

$-48$

b)

$-46$

c)

$-50$

d)

None of these

8.

Aqueous Humor is seen in between ..........

a)

Cornea & Pupil

b)

Cornea & Lens

c)

Iris & Lens

d)

Lens & Retina

9.

The sum of first 'n' natural numbers is

a)

$n\left(n+1\right)$

b)

$\frac{n\left(n+1\right)}{2}$

c)

$2n^2$

d)

$n^2$

10.

The change in the focal length of human eye is caused due to

a)

Pupil

b)

Ciliary muscles

c)

Cornea

d)

Iris

11.

The 8th term of an arithmetic sequence is 67 and 18th term is 147. Find its common difference

a)

10

b)

8

c)

12

d)

11

12.

The image formed at retina is sent to brain with help of ………………

a)

Lens

b)

Blood Vessel

c)

Cornea

d)

Optic Nerves

13.

$2x+1,$ $4x-1,$ $5x+1,\ ....$ are in arithmetic sequence. Find the value of $x.$

a)

5

b)

2

c)

1

d)

4

14.

The eyes of an insect consist of a cluster of photoreceptors called ..............

a)

Ommatidia

b)

Jacobson's organ

c)

Eye spot

d)

Olfactory Receptors

15.

The 3rd term of an arithmetic sequence is 15 and the common difference is 4. Then find its first term

a)

7

b)

23

c)

11

d)

19

16.

The projected structures seen on the tongue surface are known as

a)

Olfactory Receptors

b)

Papillae

c)

Blood Vessel

d)

Photoreceptors

BrainsPrep Saturday Quiz

Total questions: 16

Worksheet time: 17mins

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