Home
School Exams
Scholarship Exams
OTI365 - NTSE - X Standard
NTSE SAT Biology - Natural Resources and Its Management Model Question Paper

SAT Biology - Natural Resources and Its Management

Exam Duration: 45 Mins Total Questions : 30

1 )

Which of the following is a renewable resource?

(a)
Soil
(b)
Water
(c)
Flora and fauna
(d)
All the above

2 )

The life supporting gases such as O₂ CO₂ and N₂ are renewable resources? chiefly concentrated in the

(a)
Troposphere
(b)
Exosphere
(c)
Hemisphere
(d)
Stratosphere

3 )

Which of the following soil is the best for plant growth?

(a)
Sandy soil
(b)
Clay
(c)
Gravel
(d)
Loamy soil

4 )

Biogas generation is mainly based on the principle of _____________.

(a)
Fermentation
(b)
Degradation
(c)
Purification
(d)
Both (a) and (b)

5 )

Coal is _____________ in nature.

(a)
Soft
(b)
Hard
(c)
Thin
(d)
Hot

6 )

Coke is used in the manufacturing of

(a)
Lead
(b)
Iron
(c)
Steel
(d)
Copper

7 )

Coal tar has a/an _________ smell.

(a)
Unpleasant
(b)
Pleasant
(c)
Both (a) & (b)
(d)
None of these

8 )

Bitumen is used in:

(a)
Electric generators
(b)
Road surfacing
(c)
Coal tar
(d)
Natural Gas

9 )

Useful substances obtained from petroleum & natural gases are called:

(a)
Chemicals
(b)
Petroleum products
(c)
Petrochemical
(d)
None of these

10 )

Diesel is used in:

(a)
Cooling oil
(b)
Paints
(c)
Road surfacing
(d)
Electric generators

11 )

Which of them is used in extraction of metals?

(a)
Coke
(b)
Coal gas
(c)
Coal tar
(d)
Petroleum

12 )

Which of them is used as solvent for dry cleaning?

(a)
Diesel
(b)
Kerosene
(c)
Petrol
(d)
Paraffin wax

13 )

If the plants of world die, all the animals will also die due to the shortage of

(a)
cold
(b)
food
(c)
oxygen
(d)
timber

14 )

In a natural ecosystem decomposers include

(a)
bacteria & fungi
(b)
parasitic algae
(c)
macroscopic animals
(d)
all the above

15 )

Which of the following is a free living nitrogen fixing bacterium present in soil

(a)
Azotobacter
(b)
Nitrosomonas
(c)
Rhizobium
(d)
Pseudomonas

16 )

Estuary is the meeting point of

(a)
river with lake
(b)
river with oceans
(c)
sea with ocean
(d)
lake with ocean

17 )

To float on water Physalia, the Portuguese man of war stores

(a)
water
(b)
air
(c)
water and Air
(d)
salts

18 )

The two great industrial tragedies namely, MIC and Chernobyl tragedies respectively occurred where and which time?

(a)
Bhopal 1984, Ukraine 1990
(b)
Bhopal 1984, Ukraine 1988
(c)
Bhopal 1984, Ukraine 1986
(d)
Bhopal 1986, Russia 1988

19 )

Organic matter decayed to a relatively stable, amorphous state; formed when soil microorganisms decompose animal and plant material into elements usable by plants

(a)
manure
(b)
peat
(c)
humus
(d)
green manure

20 )

Lichens are found on hillsides under conditions where neither the alga nor the fungus can live alone. This shows that the relationship between the alga and the
fungus is one of

(a)
Parasitism
(b)
Saprophytism
(c)
Mutualism
(d)
Commensalism

21 )

Soil pollution can be controlled by this process

(a)
recycling waste materials
(b)
manufacture of new materials
(c)
using waste materials
(d)
using plastic carry bag

22 )

In forests, the humus
A. is produced from dead leaves by decomposers
B. provides a method to release nutrients from dead plants and animals
C. is a very good source of nitrates and phosphates
D. is responsible for making soil acidic
Select the correct alternative from the following.