Rulers, measuring tapes and metre scales are used to measure

(a)

Mass

(b)

Weight

(c)

Time

(d)

Length

Light travels________m in one second.

(a)

5 x 10³

(b)

5 x 10⁸

(c)

3 x 10⁸

(d)

8 x 10³

_________ is used as reflectors in torchlight.

(a)

concave mirror

(b)

convex mirror

(c)

plane mirror

(d)

None of these

Virtual and magnified image is formed by________________________mirror

(a)

concave

(b)

convex

(c)

plane

(d)

both concave and convex

Atoms of the same element having same atomic number but different Mass number are called _________

(a)

Isotopes

(b)

Isobars

(c)

Isotones

(d)

Isotherm

The non-directional movement of a plant part in response to temperature is called ________.

(a)

thermotropism

(b)

Thermonasty

(c)

chemotropism

(d)

thigmonasty

Chlorophyll is present in the_____________.

(a)

Root

(b)

Leaf

(c)

Stem

(d)

Flower

Identify the phylum which exhibits polymorphism.

(a)

Pinnelida

(b)

Arthropoda

(c)

Protozoa

(d)

Porifera

Defect related to high storage of vitamin is __________.

(a)

Scurvy

(b)

Beriberi

(c)

Hyper vitaminosis

(d)

Pellagra

Direction: In the following question, a statement of a Assertion is given and a corresponding state of a Reason is given just below it. Of the statements given below, mark the correct answer as:
Assertion: Haemoglobin contains iron.
Reason: Iron deficiency leads to anaemia

(a)

Assertion and reason are true and the Reason is the correct explanation of Assertion

(b)

Assertion and Reason are true but Reason is not the correct explanation of Assertion

(c)

Assertion is true but Reason is false

(d)

Both Assertion and Reason is false

In current electricity, a positive charge refers to,

(a)

presence of electron

(b)

presence of proton

(c)

absence of electron

(d)

absence of proton

Assertion (A): Noble gases are chemically inert in nature.
Reason (R) : Noble gases have stable electronic structures

(a)

Both A & R are right

(b)

Both A & R are wrong

(c)

A is right R is wrong

(d)

A is wrong R is right

Bile helps in the digestion of________

(a)

proteins

(b)

sugar

(c)

fats

(d)

carbohydrates

__________is the smallest gland

(a)

Pancreas

(b)

Sublingual

(c)

Parotid 

(d)

Submaxillary

Ceres is a _______.

(a)

Meteor

(b)

Star

(c)

Planet

(d)

Astroid

In a geostationary orbit, a satellite is at a distance of _______________ from the Earth.

(a)

53,880 km

(b)

25,880 km

(c)

36,000 km

(d)

1,12,000 km

Biotic components include _______________.

(a)

All living organism

(b)

Light, temperature etc.

(c)

Water, mineral and gases

(d)

Self nourishing green plants

Which one of the following is an Italian species of honey bee?

(a)

Apis mellifera

(b)

Apis dorsata

(c)

Apis florae

(d)

Apis cerana

Haryana, Ongole, Kankrej are the cattle breeds favoured by farmers, because they are ____________.

(a)

Draught breeds

(b)

Dual purpose breeds

(c)

Buffalo breeds

(d)

Dairy breeds

LINUX is a

(a)

Paid Software

(b)

Licensed Software

(c)

Free and Proprietary software

(d)

Free and Open source software