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Question 26
Label the below given Figure as directed below in (i) to (iv) and give the name of each type of teeth.

i) The cutting and biting teeth as ‘A’
ii) The piercing and tearing teeth as ‘B’
iii) The grinding and chewing teeth as ‘C’
iv) The grinding teeth present only in adult as ‘D’

भाव स्पष्ट कीजिए−

बिरह भुवंगम तन बसै, मंत्र न लागै कोइ।

Several foods are covered and kept on a table. Consuming which food is likely to cause food poisoning?

The mass of unit cell of ${Na}_{2}O$ is

The posterior part of fore brain is called

Match the items of Column I with suitable items in Column
II

Which cell is responsible for carrying oxygen molecules?

Give two examples of plants with winged seeds. [1 MARK]

Consider the following temperature and rainfall data:

The climate to which this data pertains is

Identify the correct combination of macronutrients:

Explain the movements in plants with examples.

________ is a certification mark on agricultural products in India.

Which of the following characteristic feature distinguishes an angiosperm from the rest of the plants?

Read the following statements and choose the correct option.



Statement 1: Louis Pasteur developed the process of pasteurisation.

Statement 2: Pasteurisation destroys all the nutrients present in milk.

On a daily basis, our food consists of cereals, pulses, vegetable and fruits. Why do we consume a different variety of food material?

Which of the following constitutes a food chain?

Put a tick (✔) if it is true. Put a cross (✖) if it is not true.

The oxygen dissociation curve shifts to the right when

Question 25

Which of the following is an incorrect statement?



(a) Organisms grow with time.

(b) Organisms must repair and maintain their structure.

(c) Movement of molecules does not take place among cells.

(d) Energy is essential for life processes.

Identify the type of animal whose diet includes the following.

The edible part of an onion bulb consists of

The large intestine absorbs _________ .

______ are groups of cells that have a similar structure and perform a specific function.

Name the valves present in the heart.

Which one of these structures is not present in an animal cell?

Given four pictures are the effects of excessive utilization of ______.

Pulse rate is measured from

Why red blood cells do not have nuclei present in them?

Why is yeast used to make beer?

A friend of Bala thought of eating food rich in fats since fats are energy bank of our body. So, he ate mainly the food shown in the picture given below. Bala advised him not to do that because:

Which of the following option is matched correctly?

Tuberculosis of the lungs makes us ill over the years resulting in weight loss and continuous tiredness. Hence, tuberculosis is a _______.

Write a short note on fertilization in plants. [5 MARKS]

Budding is a mode of reproduction observed in _________ .