Q. What is the distance of geo-stationary satellites from the Earth?

1. $37,956$km
2. $35,786$km
3. $43,000$km
4. $23,123$km

Q. Thermal conductivity of standard SWNT along its length is _____________ $Watt/m.K$.

1. $35,000$
2. $350$
3. $3500$
4. $3600$

Q. With which of the following carbon does not react?

1. Dilute hydrochloric acid
2. Dioxygen gas
3. Dichlorine gas
4. Dihydrogen gas

Q. What is famous for the constructive and functional unit?

1. Ecosystem
2. Food chain
3. Food web
4. None of these

Q. Name the fluid medium present in the blood.

1. Plasma
2. Lymph
3. Urine
4. Synovial Fluid

Q. Where are the waste products stored in plants?

1. In Plant cells
2. In Cytoplasm
3. In Phloem cell
4. In Cellular Vacuoles

Q. The student of a class discusses acid base rule as follows.

1. Student-$1$ and Student-$2$
2. Student-$3$ and Student-$4$
3. Only Student-$3$
4. Only Student-$4$

Q. How many times does an AC electric current of frequency $50$Hz change its direction?

1. $25$
2. $50$
3. $100$
4. $200$

Q. What is formed by the reaction between metal oxide and water?

1. Acid
2. Base
3. Salt
4. Metal

Q. How many uriniferous tubules are there in each kidney?

1. $10$ lakhs
2. $30$ lakhs
3. $1$ lakh
4. $20$ lakhs

Q. Gita arranges some mirrors in group- $1$ and group- $2$ according to the magnification, type of image and size of image from the following data.

Sr. No.	Group-$1$	Group-$2$
$\left(1\right)$	$<1$ and negative	Real, inverted and small
$\left(2\right)$	$>1$ and positive	Real, inverted and enlarged
$\left(3\right)$	$>1$ and negative	Virtual, erect and enlarged
$\left(4\right)$	$<1$ and positive	Virtual, erect and small

For which of the pairs from the group $1$ and $2$ you disagree.

1. $1$ and $3$
2. $2$ and $3$
3. $3$ and $4$
4. $1$ and $2$

Q. Which of the following statement is true for "black hole"?

1. It emits radiations in large number
2. Its temperature is directly proportional to its density
3. Its temperature is equal to the temperature of the Sun
4. Its temperature is inversely proportional to its density

Q. Which of the following pairs is not true?

1. Adrenaline-Pituitary gland
2. Progesterone-Ovary
3. Pancreas-Insulin
4. Testosterone-Testes

Q. Cerebellum, medulla oblongata and pons are the part of

1. Midbrain
2. Hindbrain
3. Spinal cord
4. Forebrain

Q. What is the molecular formula of Calcium hydride?

1. $Ca{H}_2$
2. $C{a}_{2}H$
3. CaH
4. $C{a}_2{H}_2$

Q. For which of the following the total internal reflection of light is possible?

1. Angle of incidence $=$ Critical angle
2. Angle of incidence is less than critical angle
3. Angle of incidence is more than critical angle
4. None of the above

Q. Chlorine is the main factor to damage ozone layer. CFC is considered responsible for $80\%$ of total decrease in ozone layer.
If the pollution in the atmosphere increases, which of the following is possible in future?
P. The ice at poles will melt and all the organisms will die living at the island.
Q. Many organisms living at island may migrate.
R. The existence of forests on the Earth will be no more.

1. All P, Q and R
2. Only Q and R
3. Only P and Q
4. Only Q

Q. The figure showing Fleming's left hand rule is given. Which figure or thumb shows the direction of flow of electric current?

1. First finger
2. Second finger
3. Thumb
4. Small finger

Q. What is the length of small intestine in an adult human being?

1. 6.5 m
2. 2.5 m
3. 4.5 m
4. 3.5 m

Q. Which colour of light is scattered the most (maximum) in the atmosphere?

1. Yellow
2. Blue
3. Red
4. Green

Q. An ant has biten Khushi while she was playing. She is feeling burning sensation. Which acid may have entered her body?

1. Melitin
2. Formic acid
3. Benzene
4. Tenin

Q. The human species have genetic roots in

1. America
2. Australia
3. India
4. Africa

Q. By which reaction metal is obtained from metal oxide?

1. Liquefaction
2. Reduction
3. Calcination
4. Roasting

Q. Which of the following substances is hygroscopic?

1. Cryolite
2. Feldspar
3. Anhydrous calcium chloride
4. Slag

Q. In which of the following statements the word light year is used correctly?

1. Light travels with the speed of $1$ light year in the Universe
2. The next complete solar eclipse will be seen after $32$ light year
3. The Earth takes $365$ days to complete the distance of $1$ light year around the Sun.
4. Cetus dwarf galaxy is $2.46$ million light year away from us

Q. Which of the following are the true methods of artificial propagation?

1. Cutting, Layering, Grafting
2. Layering, Cutting, Budding
3. Fission and Budding
4. Cutting, Grafting, Budding

Q. How many chromosomes are there in human ovum?

1. $46$
2. $23$
3. $64$
4. $32$

Q. The concentration of resistances is divided into two groups as follows.

Group-$1$	Group-$2$
The resistances are connected in series such that same(equal) electric current flows through each resistance.	The resistances are connected in parallel. So that the voltage drop through each resistance is same.
Equivalent resistance is more than every resistance connected in series.	Equivalent resistance is smaller than every resistance connected in parallel.

Which of the following is not true?

1. The use of group-$2$ connection is to increase the resistance of circuit
2. If we connect group-$2$, the equivalent resistance obtained is, $\frac{1}{R}=\frac{1}{R_1}+\frac{1}{R_2}+....+\frac{1}{R_n}$
3. The use of group-$1$ connection is to increase the resistance of the circuit
4. The use of group-$1$ connection is to decrease the resistance of the circuit

Q. One day the contractor's workers appeared in the forest to cut the trees but the menfolk were absent. However, the women from the village reached the forest quickly and elapsed the tree trunks preventing the workers from felling the trees. Thus, the forest trees were saved.
The incident was originated in a remote village called Reni in Garhwal in the early 1970s. By which name is this Andolan known?

1. Amritadevi Andolan
2. Vankatai Andolan
3. Prakruti Samrakshan Andolan
4. Chipko Andolan

Q. What is the unit of electric charge in SI system?

1. Coulomb
2. Volt
3. Watt
4. Ampere