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Which one of the following is a tissue?

Which of the following is not a greenhouse gas?

A semipermeable membrane allows the diffusion of

Which of these species is/are not found in the Western Ghats?

Codes :

What is pasteurisation.

Which is the most conspicuous change (clearly visible change) in boys and girls during puberty ?

In the given figure 10.2, mark the positions of the endocrine glands which release the hormones that:
(a) controls the release of sex hormones.
(b) is responsible for the secondary sexual characters in boys.
(c) prevents diabetes.
(d) maintains the correct salt balance in the blood.

Which one of the following abiotic components is not directly involved in plant growth?

After fertilisation, the ________ divides repeatedly to give rise to a ball of cells.

The is the percentage of irrigated land in India(approximately)

The pollutants released from air conditioners and refrigerators are:

Deficiency of iron in the body causes

DPT vaccine is effective against which all diseases?

Bacterial flagella are made up of ______.

What is Adhesion ?

Thread-like filaments which constitute the body of fungi are

Choose the correct statement.
In a sanctuary:

Why viruses are in the border line of living and non living organisms

How did archaebacteria evolve?

Name the process in which grains are separated from chaff and hay with the help of wind.

Voluntary muscle activities are controlled by

Which of the following statement justifies that the lysosomes are formed out of Golgi apparatus?

How does ploughing help in the process of weeding?

What are the forms of $C{O}_2$ that is transported through blood?

The work function of a photoelectric material is 3.3 eV. The threshold frequency will be equal to

Cultural services of biodiversity do NOT include

Fertilization happens in the

Which of the following tissues are characteristic of the coconut husk?

Name any two human diseases caused by bacteria.

Cells which control the transpiration rate of plants are

What are the advantages and disadvantages of cross pollination?

A person is suffering from deficiency of hemoglobin. Which metal is deficient in his body?

What is meant by 'species' ? Give any five examples of species.

What causes the red colour in tomatoes ?

Explain the drip system of irrigation. State two advantages of the drip system of irrigation.

Name the practice used for cultivating paddy.

The clotting factor in plasma is fibrinogen but we do not have clots in our blood vessels as we have a natural anticoagulant called:

The filled packets in which food items such as chips are sold are usually filled with nitrogen . How do you think that helps?

Answer: this is because the nitrogen present in the seal packets of chips prevent the growth of microorganism and acts as a preservator to preserve food.

Could you please check whether the above answer is correct

Name the insect which is the carrier of parasite of malaria.

Give a flowchart to show a brief on preventive measures for diseases . 🤓🤓

A is an insect which breeds in ponds of stagnant water. The egg of this insect produces a worm like form B which is entirely different in appearance from the adult insect. The form B undergoes a change C and gets converted into insect A. The female of insect A is a carrier of protozoan D which spreads a disease in humans.

(a) What are A, B, C and D ?

(b) Name another insect which also undergoes change C.

In the following question, there is a sentence which is divided into five parts. Choose the fragment that carries an error (if any). Ignore punctuation errors if any.

Thank you all for conducting a landmark experiment / sharing what really goes on / inside our heads when it comes / to balancing (and unbalancing) work, / raising kids and living our lives.