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Explain the various factors which are responsible for the loss of stored food grains.

________ is a certification mark on agricultural products in India.

Which type of eye is present in insects ?

Define and write functions of the following

1. endoplasmic reticulum

2. lysosome

3.vacuoles

4.Golgi apparatus

5. plastids

Arrange the following plant materials in order of their imbibing capacity from high to low.

Q58. Consider the following statements

1. Every individual in the population is equally susceptible host for Swine Flu.

2. Antibiotics have no role in the primary treatment of Swine Flu

3. To prevent the future spread of Swine Flu in the epidemic area, the swine (pigs) must all be culled.

Which of the above statement(s) is/are correct?

Suppose instead of water we poured ink to plant did the colour of the stem will change?

How do storage grains losses occur ??

Which disease is correctly matched with their corresponding pathogen?

Identify the parts labelled 1-8 in the diagram given below.

Freely movable joints are also called

Question 52
Give reasons for
(a) Meristematic cells have a prominent nucleus and dense cytoplasm but they lack a vacuole.
(b) Intercellular spaces are absent in sclerenchymatous tissues.

(c) We get a crunchy and granular feeling when we chew pear fruit.
(d) Branches of a tree move and bend freely in high wind velocity.
(e) It is difficult to pull out the husk of a coconut tree.

Question 2
If the organisation of a cell is destroyed due to some physical or chemical influence, what will be its outcome?

A substance that checks the change of prothrombin into thrombin is

Which of the following organism can show regeneration of whole new organism from a cut part of its body?

What are Algae? Give three examples of different type of algae. [3 MARKS]

Choose the options which incorrectly represents the measure that can be taken to prevent that particular type of pollution.

Give some examples of organisms which belongs to Phylum Protochordata.

During photosynthesis, oxygen is evolved from _____.

Which is highest taxonomic category?

Which organ is affected during jaundice?

Differentiate between striated (Skeletal Muscles), unstriated (Smooth Muscles), and cardiac muscles based on their structure and site/location in the body.

वृक्षारोपण कैसे करे aur खट्टर कैसे रुके par एस्से 200-400 words

Ringworm in human is caused by

Write down two main functions of

(a) Endoplasmic reticulum

(b) Lysosome.

Describe certain bacterial diseases of human beings.

What is the percentage of carbon dioxide inhaled from and exhaled into the air? [2 MARKS]

Which of the following method is used to obtain variety with high yield and other desirable characters?

Are plastids present in all cells? Mention its types. [3 MARKS]

Question 21
Total Earth’s surface covered by water is

(a) 75%
(b) 60%
(c) 85%
(d) 50%

Both autogamy and geitonogamy are prevented in:

Name the constituents of matrix found in cartilage. [1 MARK]

In this experiment, how does KOH affect the process of photosynthesis in the plant kept in bell jar ?

Define animal husbandry. What does it consist of? [2 MARKS]

Which is the correct equation for aerobic respiration in humans?

Who expanded cell theory by suggesting that all cells arise from preexisting cells?

Which one of the following is not a living fossil?

Ram had a meal which consisted of soybean sprouts and its dry chunks with milk. He suffered from indigestion and it resulted due to abnormality in the functioning of the glands of his stomach according to his doctor. It could be because of ________ in his stomach.

A person bitten by a snake is given antivenin injection. Why?

which stucture in animal cell controls the exist entry of subtance ?

Breathing is a