1 |
how many years Tipu sultan did rule? |
18 years
17 years
16 years
15 years
|
2 |
Three elements needed for the healthy growth of plants are: |
N.P.K
N.C.P
N.K.C
N.S.P
None of these
|
3 |
Light year is a unit of: |
Distance
Time period
Light intensity
Time
None of these
|
4 |
The measurement of rainfall is made by an instrument known as: |
Hydrometer
Barometer
Hygrometer
Pedometer
None of these
|
5 |
A time can come when we will be able to design a machine which can go on working for ever without the expenditure of energy. is it possible? |
No
Yes
In due course time
Very soon
|
6 |
Water is heated in a kettle. The inside water is heated by convection . A person sitting near the fire receives heat by: |
Conduction
Convection
Radiation
Reflection
|
7 |
Erythrocytes are also called as |
Red blood cells
White blood cells
platelets
Plasma
|
8 |
In human eyes, the right sensitive layer made of specializes nerve cells,rod and cones are called as: |
The pupil
The cornea
The sclera
The iris
The retina
|
9 |
Nervous system in human consists of: |
Brain and spinal cord
Brain and nerves
Spinal cord and nerves
Brain spinal cord and nerves
|
10 |
The number of bines in human body is |
200
202
204
206
None of these
|
11 |
The study of how plants and animals interact with one another and with the non-living environment is called as: |
Ecosystem
Sociology
Ecology
Habitat
|
12 |
Water loss from leaves through stomata is called as: |
Evaporation
Transpiration
Evapotranspiration
Respiration
|
13 |
As per eating habit squirrels are: |
Frugivorous
Herbivorous
Carnivorous
Omnivorous
|
14 |
One of the fundamental characteristics of living organisms is: |
Photosynthesis
Digestion
Excretion
Metabolism
|
15 |
Plants growing on other plants are called as: |
Saprophytes
Parasites
Epiphytes
Pathogens
|
16 |
To measure the specific gravity of milk, the instrument used is: |
Hygrometer
Barometer
Lactometer
Hydrometer
|
17 |
Deficiency of vitamin C in human body Causes a deficiency disease called: |
Beriberi
Night blindness
Rickets
Scurvy
|
18 |
Man belongs to the family; |
Felidae
Hominidae
Mammalia
Primataceae
|
19 |
In a DNA molecules, the rule for base pairing is: |
Adenine always bound with thymine and cytosine withguanine
Adenine always bound with cytosine and thymine with guanine
Adenine always bound with guanine and cytosine with thymine
Adenine always bound with uracil and cytosine with guanine
|
20 |
The structure of DNA was elaborated by Watson and Crick in: |
1909
1923
1945
1953
|