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Substances that are generally used to inhibit the growth of microorganisms in food are called __.

The scars found on potatoes are called:

What are spores? When are they formed? Give examples. [3 MARKS]

What are root hairs? What is the significance of root hairs? [2 MARKS]

In animal cells, centrioles are _____.

A smooth silk thread used to clean teeth is known as __________ .

Pranati lived in an area near an incineration site. After a period of time, she began to develop breathing problems. Which of the following could be the reasons for Pranati's suffering?

One very special feature in the earthworm (Pheretima) is that

Generally, blood vessels which carry pure blood are called ……………….. and blood vessels which carry impure blood are called …………….

Which part of the bird helps it to walk on ground?

A community is ________.

In the image below, a man is seen removing unwanted plants from his paddy field using a small tool. What are those unwanted plants called?

If one gets bruised with a rusted nail, what kind of disease can the person be infected with, if not vaccinated promptly?

Explain the role of each part of 🌵 cactus plant

In the mitochondrion, energy is stored in the form of:

Given below are two statements regarding the first aid given to infants for choking.

Statement 1: Keep the child on the lap facing downwards.

Statement 2: Tap slightly strong at the back between the shoulder bones.`

Choose the correct option.

Name the raw materials required by autotrophs to synthesise their food?

Amoebic dysentery is caused by

Explain the significance of root nodule in leguminous plants

Bats belong to which of the following groups?

Compared to the gametophytes of bryophytes, the gametophytes of vascular plants tend to be

1. Smaller and to have smaller sex organs

2. Larger and to have larger sex organs

3. Smaller but to have larger sex organs

4. Larger but to have smaller sex organs

Q23. Consider the following statements about CSIR:

1. CSIR is an autonomous body and India’s premier research and development (R&D) organisation.

2. It is mainly funded by the Union Ministry of Science and Technology.

Which of the above statements are incorrect?

Why is the rate of heart beat more in babies ? Why do they have more temperature as compared to adults ?

Number of times a person breathes per minute is termed as the ___.

In a seed, what remains enclosed in a protective seed coat?

Which of the following is the primary function of canines?

What is the percentage of fresh water on the Earth?

In the image below, a rat can be seen eating the harvest in a field. Similary many biotic factors cause loss of stored grains. Choose the correct options for the biotic factors that cause crop storage losses.

Harvest mouse

Which vitamin is responsible for the up-keeping of our skin, and alert mind?

Which statement about $C{O}_2$ is incorrect?

The benefit which can be derived by horticulturists through artificial vegetative propogation is_______________.

Identify the organisms and mention their classification based on their mode of nutrition. [5 MARKS]

The image given below shows ___ movements.

A farmer grows tomatoes in a greenhouse. He keeps bright lights on in the greenhouse at night. What will be the effect on the growth of tomatoes?

___ is the process of adding cheap and low quality materials to food items that resembles the real food substances.

Name the three plant nutrients commonly present in fertilizers and manures

The plant eliminates oxygen during photosynthesis through __.

Why Chloroplast is only present in plant cells?

Gel is categorised in which state of matter give a photograph please

Identify an appropriate question tag for the sentence below.

Evergreen trees have the ability to survive in any kind of climate, _________?