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Thick layer of fat under the skin is

Which of the following is/are a radioactive pollutant?

Green muffler is related to pollution of

Which among the following adaptations is not common to polar bears, penguins, seals and whales?

Which of the following options correctly describes the difference between Weather and Climate?

The number of times a person breathes in a minute is known as __.

A protective coat called a cyst develops around the cell undergoing multiple fission. Why do you think this happens?

What is the tiny gap between two neurons called?

Which of the following statements accurately describes the relationship between photosynthesis and cellular respiration?

Asexual reproduction takes place through budding in:

Which chemical is used to impart green colour to food substances?

Write the functions of blood??

Which protozoan causes malaria?

The action of ___is required for all kinds of movements.

Write an activity to show the effect of saliva on starch.

A branch of parent plant is buried in the soil in which of these methods?

At which of the following stages does adulteration take place?

__ have hair to trap dust particles present in the air and stops them from entering our body.​

Stomata do not release:

How do we find out the quantity of water added to milk?

What is breathing rate? What is normal breathing rate in adults? [2 MARKS]

Which of the following is/are the symptom(s) of allergy?

Let’s say you visit identical rooms A and B. If room A is filled with 50 people and room B has 2 people, which room do you expect to be hotter?

Type in your answer as either “A” or “B”.

___

Which of the following are density dependent factors?

Statement 1: A living component is formed just by putting the right non- living components together.

Statement 2: Not just the components taken, but their proportion and surrounding conditions should be right in order to form life.

Which type of relationship is seen in algae and fungi in lichens?

How does a hummingbird take in food

Complete the table:

The longest cell in human body is ___

Group the seeds given in figure (i) to (iii) according to their means of dispersion.
(a)Seed dispersed by wind.
(b)Seed dispersed by water
(c)Seed dispersed by an animal

Where do most of the absorption of food take place?

Blood calcium level is a result of how much dietary calcium is absorbed and how mich is lost in urine, how much bone dissolves releasing calcium into the blood and how much calcium from blood enters tissues. A number of factors play an important role in these processes. Mark the one which has NO role

The infoldings of the inner membrane of mitochondria is termed as ______.

Which of the following doesn't have a modified leaf?

There are two circuits the blood circulates in.

Choose the options that correctly shows the direction of blood in the heart, lungs and body and the type of the circulation. (You may choose more than one option.)

Autotrophic nutrition is seen in

In anaerobic respiration

Which of the following conditions will occur if pancreas are not secreting insulin hormone?

Animals that eat other living organisms are known as

What are the filtering units in kidneys?

Northern lights are produced because of

On a still day, as compared to a windy day, the rate of transpiration would:

Which among the following forms a part of the stamen? (You may choose more than one option)

Which of the following is correct about the pulmonary artery?

I : It contains oxygen rich blood

II : It contains carbon dioxide rich blood

III : It carries blood pumped from the heart to lungs

IV : It carries blood from the lungs to the heart

In the symbiotic relationship between a bacteria and leguminous plant, which of the following statements is true?

Which of the following is a reflex action?