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1301.

What connects the veins and arteries?

Answer»

What connects the veins and arteries?


1302.

Cyclists wear helmet to protect the head from injuries. The skull functions in the same way as a helmet and it serves to protect the brain. However, unlike a helmet, the skull is made of many smaller bones. Which kind of joint keeps those smaller bones intact?

Answer»

Cyclists wear helmet to protect the head from injuries. The skull functions in the same way as a helmet and it serves to protect the brain. However, unlike a helmet, the skull is made of many smaller bones. Which kind of joint keeps those smaller bones intact?


1303.

Question 26The instrument used to observe cells is a __.

Answer» Question 26

The instrument used to observe cells is a __.
1304.

Which one of the following condition helps in the puffing up of dough when mixed with yeast?

Answer»

Which one of the following condition helps in the puffing up of dough when mixed with yeast?


1305.

How to draw respiratory system of cockroach in a step by step method easil

Answer» How to draw respiratory system of cockroach in a step by step method easil
1306.

Briefly describe the structure and functions of cell wall.

Answer» Briefly describe the structure and functions of cell wall.


1307.

Which of the following is not a characteristic of living things?

Answer»

Which of the following is not a characteristic of living things?


1308.

Statement 1: Plants absorb nitrogen mostly from air. Statement 2: Air contains mostly nitrogen as its component. Choose the option that correctly establishes the relationship between the two statements.

Answer»

Statement 1: Plants absorb nitrogen mostly from air.

Statement 2: Air contains mostly nitrogen as its component.

Choose the option that correctly establishes the relationship between the two statements.


1309.

5. assuming ideal gas Cvm will be tempreature independent for ozone nitrogen gas carbondioxide helium

Answer» 5. assuming ideal gas Cvm will be tempreature independent for ozone nitrogen gas carbondioxide helium
1310.

What is taproot?

Answer» What is taproot?
1311.

Fish breathe through ___ .

Answer»

Fish breathe through ___ .

1312.

The anther and ovary contain ______________________________ that carry information about the characteristics of their parents

Answer»

The anther and ovary contain ______________________________ that carry information about the characteristics of their parents


1313.

A: Cartilage is considered avascular tissue. R: They secrete angiogenesis factors to promote formation of blood vessels

Answer» A: Cartilage is considered avascular tissue. R: They secrete angiogenesis factors to promote formation of blood vessels
1314.

What helps a tiger to move in the dark? (3 marks)

Answer» What helps a tiger to move in the dark? (3 marks)
1315.

Can an ameoba eat small fishes?

Answer» Can an ameoba eat small fishes?
1316.

Explain structure of kidney

Answer» Explain structure of kidney
1317.

The above picture shows that the camel stores excess fat in a particular part of the body. What do you call that body part?

Answer»


The above picture shows that the camel stores excess fat in a particular part of the body. What do you call that body part?



1318.

What is the inner horizon?

Answer»

What is the inner horizon?

1319.

tube cell and coronary cell both are same or not

Answer» tube cell and coronary cell both are same or not
1320.

Which of the following is/are the symptom(s) of hay fever?

Answer»

Which of the following is/are the symptom(s) of hay fever?


1321.

Why are stomata more numerous on the lower surface of the leaf instead of being on the upper surface?

Answer»

Why are stomata more numerous on the lower surface of the leaf instead of being on the upper surface?

1322.

what is extracellular matrix?

Answer» what is extracellular matrix?
1323.

Name the different types of crops grown based on the cropping pattern.

Answer» Name the different types of crops grown based on the cropping pattern.
1324.

Anil was a participant of Marathon-14. After the race he got muscle cramps. Why do you think he got muscle cramps and how can he recover from that? [3 MARKS]

Answer»

Anil was a participant of Marathon-14. After the race he got muscle cramps. Why do you think he got muscle cramps and how can he recover from that? [3 MARKS]

1325.

Name the components of the blood

Answer»

Name the components of the blood

1326.

Selective markers in plasmids are used to

Answer»

Selective markers in plasmids are used to


1327.

Forest is a habitat. Explain. [2 MARKS]

Answer»

Forest is a habitat. Explain. [2 MARKS]

1328.

Why is heat important for cooking, drying clothes etc.....?

Answer» Why is heat important for cooking, drying clothes etc.....?
1329.

The specific DNA sequence where Eco – RI cuts is

Answer» The specific DNA sequence where Eco RI cuts is
1330.

What are monoclonal antibodies?

Answer» What are monoclonal antibodies?
1331.

If the flukes have incomplete alimentary canal then why does liver fluke have excretory pore?

Answer» If the flukes have incomplete alimentary canal then why does liver fluke have excretory pore?
1332.

Which of these statement(s) is/are correct? 1. Backbone is the structure that helps us in bending down. 2. Backbone supports our body and helps it hold in an upright position.

Answer»

Which of these statement(s) is/are correct?

1. Backbone is the structure that helps us in bending down.
2. Backbone supports our body and helps it hold in an upright position.


1333.

An oily patch on paper shows the presence of __________ in food.

Answer»

An oily patch on paper shows the presence of __________ in food.


1334.

The hormone which increases fertility in males is called________

Answer»

The hormone which increases fertility in males is called________




1335.

Identify the gland that secretes bile.

Answer»

Identify the gland that secretes bile.

1336.

13.What is the meaning of - Epistatic gene never express itself independently?

Answer» 13.What is the meaning of - Epistatic gene never express itself independently?
1337.

Good afternoon mam/sir my query to you is .........are humans and animals are a kind of parasites

Answer» Good afternoon mam/sir
my query to you is .........are humans and animals are a kind of parasites
1338.

Question 07 (i) Adolescents should be careful about what they eat, because: During adolescence, immune system is very weak A proper diet is needed to cater for the rapid growth that take place in adolescents Food tastes best during adolescence All of these

Answer» Question 07 (i)
Adolescents should be careful about what they eat, because:
  1. During adolescence, immune system is very weak
  2. A proper diet is needed to cater for the rapid growth that take place in adolescents
  3. Food tastes best during adolescence
  4. All of these
1339.

Categorize the materials of the following products into 'can be recycled' and 'cannot be recycled'.Telephone instruments, plastic toys, cooker handles, carry bags, ball point pens, plastic bowls, plastic covering on electrical wires, plastic chairs, electrical switches.

Answer» Categorize the materials of the following products into 'can be recycled' and 'cannot be recycled'.



Telephone instruments, plastic toys, cooker handles, carry bags, ball point pens, plastic bowls, plastic covering on electrical wires, plastic chairs, electrical switches.
1340.

Name the four major joints of our body.

Answer» Name the four major joints of our body.
1341.

Explain the difference.a. Conventional and Non-conventional Sources of energy.b Thermal electricity generation and solar thermal electricity generation.

Answer» Explain the difference.

a. Conventional and Non-conventional Sources of energy.

b Thermal electricity generation and solar thermal electricity generation.
1342.

Which of the following sets contain only the parts of a pistil ?

Answer»

Which of the following sets contain only the parts of a pistil ?



1343.

'नीलम मरकत के संपुट दो, जिनमें बनता जीवन-मोती' पंक्ति में 'नीलम मरकत' और 'जीवन-मोती' के अर्थ को कविता के संदर्भ में स्पष्ट कीजिए।

Answer» 'नीलम मरकत के संपुट दो, जिनमें बनता जीवन-मोती' पंक्ति में 'नीलम मरकत' और 'जीवन-मोती' के अर्थ को कविता के संदर्भ में स्पष्ट कीजिए।
1344.

Question 14Choose the incorrect statement about insulin(a) It is produced from pancreas(b) It regulates growth and development of the body(c) It regulates blood sugar level(d) Insufficient secretion of insulin will cause diabetes

Answer»

Question 14

Choose the incorrect statement about insulin



(a) It is produced from pancreas

(b) It regulates growth and development of the body

(c) It regulates blood sugar level

(d) Insufficient secretion of insulin will cause diabetes



1345.

Three sets of oat saplings named A, B and C were grown in different conditions in a box with a light from one side. A: Tips were removed. B: Tips were covered. C: The saplings were left as they were. Following observations were noted:- i. Shoot bent towards the source of the light. ii. Shoot growth ceased. iii. Shoots grow normally in the vertical direction. Match the seedlings with the correct observations.

Answer»

Three sets of oat saplings named A, B and C were grown in different conditions in a box with a light from one side.
A: Tips were removed.
B: Tips were covered.
C: The saplings were left as they were.

Following observations were noted:-

i. Shoot bent towards the source of the light.
ii. Shoot growth ceased.
iii. Shoots grow normally in the vertical direction.

Match the seedlings with the correct observations.


1346.

The levels of oxygen and carbon dioxide are maintained constant in the atmosphere by

Answer»

The levels of oxygen and carbon dioxide are maintained constant in the atmosphere by


1347.

Question 3 Given below are events that lead to pregnancy and development of embryo (i) Fertilization of egg (ii) Maturation of egg (iii) Release of egg (iv) Embedding of embryo in thickened uterine wall. Which of the following options gives the correct order of sequence in which they occur? (a) i, ii, iii, iv (b) ii, i, iii, iv (c) i, iv, ii, iii (d) ii, iii, i, iv

Answer»

Question 3
Given below are events that lead to pregnancy and development of embryo

(i) Fertilization of egg
(ii) Maturation of egg
(iii) Release of egg
(iv) Embedding of embryo in thickened uterine wall.

Which of the following options gives the correct order of sequence in which they occur?

(a) i, ii, iii, iv
(b) ii, i, iii, iv
(c) i, iv, ii, iii
(d) ii, iii, i, iv

1348.

Which is not a function of tongue?

Answer»

Which is not a function of tongue?


1349.

Who discover cell and how?

Answer» Who discover cell and how?
1350.

Which among the following is the common passage for food and air?

Answer»

Which among the following is the common passage for food and air?