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Degree of zero polynomials zero true or false justify

Given: State true or false: Degree of zero polynomial is zero. Solution: The given statement is false. The degree of zero polynomial is not defined.... View Article

Depletion of ozone is mainly due to

Depletion of ozone layer is mainly due to chloroflorocarbons.... View Article

Chief component of first generation computer was

Chief component of first generation computer was? integrated circuits vacuum tubes and valves transistors none of these The correct... View Article

Solve 1-(x-2)-(x-3)-(x-1)=0

Given: To solve: 1-(x-2)-[(x-3)-(x-1)] = 0 Solution: 1-(x-1)-[(x-3)-(x-1)]=0 1-(x-2)-[(x-3-x+1)]=0 1-(x-2)-[(-2)]=0 1-(x-2)+2=0 1-x+2+2=0 x=5... View Article

The end products of fat metabolism are excreted by a) Kidneys b) Liver c) Lung d) Skin

Option b) Liver.... View Article

The characteristic feature of sponges is a) Porous body b) Diploblastic nature c) Forming a link between the living and nonliving d) Fresh-water habitat

Option a) Porous body. The body of the sponge is covered with numerous pores called Ostia. Water enters the body of sponges through the ostia.... View Article

Which of the following is not the example of carbohydrate? a) Fructose b) Glucose c) Glycine d) Maltose

Option c) Glycine. Glycine is a protein and not a carbohydrate.... View Article

Which of the following does not have optical isomers? a) [Co(en)2Cl2]Cl b) [Co(en)3]Cl3 c) [Co(en)(NH3)2Cl2]Cl d) [Co(NH3)3Cl3]

Option d) [Co(NH3)3Cl3]. The complex [Co(NH3)3Cl3] does not have optical isomers due to the presence of an element of symmetry.... View Article

Why silver turns into black after a long time? Give the reason.

When silver materials are exposed to air, silver reacts with sulphur present in the atmosphere and forms a black layer of silver sulphide on the... View Article

The Himalayas is an example of a) Ancient mountains b) Fold mountains c) Residual mountains d) Block mountains

Option a) Sister. Mother's husband is your father. Your father's sister is your aunt and is the man's aunt. Hence, the man and the lady must be... View Article

A man said to a lady “Your mother’s husband’s sister is my aunt.” How is the lady related to the man? a) Sister b) Daughter c) Mother d) Grand-daughter

Option a) Sister. Mother's husband is your father. Your father's sister is your aunt and is the man's aunt. Hence, the man and the lady must be... View Article

Which of the following performs photosynthesis and manufactures food in cactus plant a) Leaves b) Roots c) Stems d) All of the above

Option c) Stems. In the cactus, leaves are reduced to spines in order to reduce the rate of transpiration.... View Article

Pollen grains of pinus are a) Non-saccate b) Trisaccate c) Monosaccate d) Bisaccate

Option d) Bisaccate. Bisaccate is charchterised with two little bags, sacs, or pouches.... View Article

Parkinsonia is a good example of (a) winged fruit (b) phyllode (c) parachute mechanism (d) phylloclade

Option (b) phyllode. Parkinsonia is a good example of phyllode.... View Article

Mitoplast is a) Granum less chloroplast b) Well developed nucleus c) Outer membrane with fewer mitochondria d) Outer membrane with less chloroplast

Option c) Outer membrane with fewer mitochondria. When the outer membrane is absent or less in mitochondria it is known as mitoplast.... View Article

The Centre of gravity of a rectangle will be at its: a) The intersection of its diagonal b) Centre c) Corners d) At its periphery

Option a) The intersection of its diagonal. The center of gravity of a rectangle, square, or parallelogram lies at the center point where its... View Article

Who constructed the Ibadat Khana

The Mughal Emperor Akbar in 1575 CE built Ibadat khana at Fatehpur Sikri. Ibadat Khana was built to gather spiritual leaders of different... View Article

Who is the author of the book glimpses of world history a) Rajiv Gandhi b) Mahatma Gandhi c) Indira Gandhi d) Jawaharlal Nehru

Option d) Jawaharlal Nehru.... View Article

State true or false: Zinc is very less malleable

True. Zinc is a bluish-white metal that becomes comparatively malleable above 100°C (212°F) temperatures. Malleable means capacity to be hammered... View Article

Who was the first medieval ruler to propound the divine theory of kingship

Ghiyasuddin Balban was the first medieval ruler to propound the divine theory of kingship. After the death of Nasiruddin Mahmud in 1266, he... View Article

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