CBSE Std 4 Study Materials, Online Learning, Question Papers, Classnotes, Practice Test, MCQ | Smartindia Educational Program : www.smartindia.net.in

Question-1
Urea is used as a

(A) seed	(B) manure
(C) fertiliser	(D) pesticide

Question-2
If,

P - food

Q - air

R - Water

S - Soil

Which one of the above are the basic needs of animals?

(A) P and Q Only	(B) P, Q and R Only
(C) P and R Only	(D) Q, R and S Only

Question-3
While travelling to a place a group of students saw beautiful waterfall and tall pine trees. Where are these students going to?

(A) A place on high mountains	(B) A place very close to sea
(C) A place near a small lake in the desert	(D) A mine below the earth's surface

Question-4
Which one of the following present in the soil is most helpful to the growth of plants?

(A) Humus	(B) Sand
(C) Clay	(D) Small porous rocks

Question-5
Growing different types of crops in a piece of land in different season is called

(A) mono-culture	(B) irrigation
(C) crop rotation	(D) manuring

Question-6
Which one of the following helps the growth of healthy crops?

(A) Pests	(B) Insects
(C) Goats	(D) Good seeds

Question-7
Which one of the following programs in India is meant for only tree plantation?

(A) Akshara Jyothi	(B) Janma Bhoomi
(C) Vanamahotsava	(D) Sarva Shiksha Abhiyaan

Question-8
Garden soil is most suitable for plant growth because

(A) it contains humus which makes the soil fertile	(B) it holds enough water for plants to grow
(C) its loose soil texture contains	(D) all of the above

Question-9
Cultivation of rice,wheat, maize, sugarcane, vegetables, and jute is better in

(A) the black soil	(B) the red soil
(C) the alluvial soil	(D) all of the above

Question-10
Most of the metals are found

(A) in the wood of trees	(B) on the top of mountains
(C) deep inside the earth	(D) dissolved in water

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