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Fill in the blanks.

(i) The blood from the heart is transported to all parts of the body
by the______.

(ii) Haemoglobin is present in ______ cells.

(iii) Arteries and veins are joined by a network of ______.

(iv) The rhythmic expansion and contraction of the heart is called
___ _ _.

(v) The main excretory product in human beings is ______.

(vi) Sweat contains water and ______.

(vii) Kidneys eliminate the waste materials in the liquid form called
______.

(viii) Water reaches great heights in the trees because of suction
pull caused by ______.

Choose the correct option(s) for the characteristics of Fungi.

We heard that we were going for a school trip for studying 'The Living Organisms and Their Surroundings'. When we reached the venue, we started observing the surroundings with plants and animals which are called as ___________.

Water polluted by various activities causes a number of water borne diseases. Which of the following is not a water borne disease?

To make rice, we need two ingredients. One part is the raw rice and the other part is:

Explain clearly what is −

(a) growth (b) responsiveness to stimuli

(c) excretion (d) reproduction

To observe onion cells under a microscope, which of the following compounds would you use as a dye?

Bleeding gums and red patches on the skin are symptoms of a disease caused by vitamin deficiency. Identify the disease.

With respect to the given statements, choose the correct option.

Statement 1: Viruses are inactive when they are outside the host body.

Statement 2: Viruses do not have a cellular organisation.

Tetradynamous condition of stamens is characteristic of which family?

_________ diseases are also called contagious diseases.

Which of the following organism has both endo and exoskeleton?

The process of removing water in the form of vapour from the leaves is called __________ .

We all know that fishes live under water. Recently it has been discovered that there is a new kind of fish which can also live for sometime on land. This fish is commonly known as Mudskipper (Periophthalmusbarbarus). This capability that has been attained by this fish is the result of __.

Identify the organelle which regulates all activities of the cell.

Pigment produced by the cones.

Enter 1 word only.

Identify the organism growing on the piece of bread.

Which of the following can be termed as biological heredity?

Read the items of food listed below. Classify them into carbohydrate rich, protein rich and fat rich foods and fill them in the given table.

Moong dal, fish, mustard oil, sweet potato, milk, rice, egg, beans, butter, butter milk (chhachh), cottage cheese (paneer), peas, maize, white bread.

$\begin{array}{ccc}\text{Carbohydrate Rich Food Item (A)}& \text{Protein Rich Food Item (B)}& \text{Fat Rich Food Item (C)}\\ & & \\ & & \\ & & \\ & & \end{array}$

If a serving of popcorn contains 20 calories, how many calories are consumed if you eat 3 servings?

Taproot has a main root which bears many side branches called _________

Which of the following vitamins and their deficiency diseases is NOT correctly paired?

The arrangement of flowers on a main axis is termed as__________

During exhalation, the ribs ______.

Roots take part in:

What type of waste can be broken down by living organisms?

In which of these following diseases does the pathogen gain entry into the body through the skin?

What are deltoid muscles?