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Biology - Science Questions asked by Filo students

Question 1

Ans. Progesterone from the ovary maintains pregnancy. Q. (9) Answer the following : * (1) Explain coordination in plants with the help of suitable examples.

Topic:

Biology

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Question 2

in and In Female (girls)

Development and enlargement of breasts (mammary glands) take place.
Hairs develop under armpit and in the pubic regions.
Hips broaden and pelvic region widens.
Initiation of menstrual cycle takes place.
Deposition of fat around hips can be seen.

Topic:

Biology

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Question 3

3. humans armi study the processo of

mervetuenen in the

cell connporepts:

{"The male reproductive orsans include a patr of testens (aingrular, testis), two siperm Theres and a penls (The. $0.1)$ . The testes produce the male gametes called sperms. Minions of sperms are produced to the testes. Look at Hig $0.2$ which shows the plicture of a sperm. Though Wherms are very smali to sloe, earh has phead, a middle pinoe and a tall. Does it appear to be a aingle cell? Indeed, each","Taif Chater",Finstide,"meres ienthicirars"}

Topic:

Biology

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Question 4

2. Trace the sequence of events that lead to development fertilised egg of a hen. 3. Where does fertilisation occur in human beings? How does the zygote formed eventually develop into an infant? 4. Draw a neat well labelled diagram of the human sperm. Also, write how its shape and size help it in its functioning.

Topic:

Biology

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Question 5

1. Define the term 'Metamorphosis'. List ure develop into a frog.

{"2. Trace the sequence of events that lead to development of a chick from the fertilised egg of a hen.","3. Where does fertilisation occur in human beings? How does the zygote formed eventually develop into an infant?","4. Draw a neat well labelled diagram of the human sperm. Also, write how its shape and size help it in its functioning.","and well labelled diagram of (i) the reproductive system of the"}

Topic:

Biology

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Question 6

2.Sting of can cause allergic reactions. 3.Peanut, milk and egg can act as allergens.

Harmful microorganisms that cause diseases are called
often medicines containing. can lead to allergic reactions.
Allergies occur anytime throughout the year are called

Topic:

Biology

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Question 7

Name the following: -

[1 \times 6 = 6]

Substances that cause allergy.
Harmful microorganisms that cause diseases.
The protection that someone's body gives them against a particular disease.
Red itchy patches on the skin.
A life-threatening condition in which the tissues swell up and make it difficult for the person to breathe.
Symptoms of allergy caused by the food allergens in the mouth and throat region.

Topic:

Biology

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Question 8

Name the following:

[1 \times 6 = 6]

Substances that cause allergy.
Harmful microorganisms that cause diseases.
The protection that someone's body gives them against a particular disease.
Red itchy patches on the skin.
A life-threatening condition in which the tissues swell up and make it difficult for the person to breathe.
Symptoms of allergy caused by the food allergens in the mouth and throat region.

Topic:

Biology

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Question 9

test p...