Explore topic-wise InterviewSolutions in .

Cells that a have a common origin

Which organ of the human body passes sperms from a man to a woman ?

Prokaryotes have 70S ribosomes. It breaks up into two sub units whose sedimentation constants are:

What happens when concentration of greenhouse gases increases in the atmosphere?

Will there be any change in the function of the red blood cells if they are changed into spindle shape?

Excessive amount of chemicals cause increased growth of _______ in water bodies.

Name the scientist who discoverd 'penicillin'.

Name some of the preservatives which are used in the preservation of fruits as jams and jellies.

Plants of the same kind, grown and cultivated at one place on a large scale are called:

Ancient Egyptians applied mouldy bread on infected cuts & wounds to heal them , why do you think this helps in healing the wounds. Now a days we do not use mouldy breads to cure infections. what do we use instead ?

Why should paper be saved? Prepare a list of ways by which you can still save paper.
[5 MARKS]

Which of the following are endocrine glands ?

Salivary gland, Thyroid gland, Adrenal gland, Sweat gland, Pituitary gland, Sebaceous gland (Oil gland)

In plant tissue culture, new plants be produced from leaves, anther, ovary or root. What could be the reason?

What changes takes place in the body at puberty?

___ is the number of species and the abundance of a particular species that inhabit a particular community.

Who is credited as "the scientist who discovered cells"?

Water droplets are seen along the leaf margins of herbaceous plants during an early morning, when evaporation is low. This phenomenon is termed ________.

Boys have broader shoulders and wider chests compared to girls. This is because:

I transport food in plants and am made of dead enucleated sieve tubes and living multinucleated companion cells. I am ____.

Which tribal group from Kashmir reared goats for livelihood?

Killing and consuming one’s own kind or intraspecific predation is called

Which of the following are essential macronutrients?

Give two uses of phosphorus

The farming technique in which there is no or minimum use of chemical fertilizers, herbicides and insecticides is called

The plucking of ______ is a critical work as only about to ripe pods are chosen because ripe ones burst out.

Which of the following plants are used as green manure in crop fields and in sandy soils?

X is a human activity which will cause an increase in temperature of the earth's atmosphere leading to global warming. It can cause soil erosion making the soil infertile and lead to desertification. It can cause a decrease in rainfall but increase the flooding of rivers. It can also affect the water cycle and lead to the extinction of many wild species. What is X?

Murrah is a high-yielding breed of:

Which of the following stage of life represents the onset of puberty?

10-15 short answer questions alone..chapter,crop production and management.....

What are vacuole?

________________ is not used for the vegetative reproduction

Name the disease caused by the adrenal gland with symptoms of upper body obesity.

Blood in the pulmonary vein is _______

___ is the process of axial movement of food substances in plants.

The fluid present between cell membrane and nucleus is

Which of the following is a method used to grow plants in areas with shortage of agricultural land?

The concept of ecological pyramid was first proposed by:

Name the hormone secreted by pituitary gland which controls the secretion of other glands.

how do microoranisms cause diseases

In males, which hormone is released at the onset of puberty?

How does a seed drill help in sowing?
[2 MARKS]