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1251.

Which is the most abundant plant pigment in the world?

Answer» Which is the most abundant plant pigment in the world?
1252.

Plants with stem branching near base and hard stems are __

Answer»

Plants with stem branching near base and hard stems are __

1253.

Which vessel type is not correctly matched with one of its functions?

Answer»

Which vessel type is not correctly matched with one of its functions?


1254.

Question 6Read each set of terms and identify the odd set.(a) Cow, milk, butter(b) Hen, meat , egg(c) Goat, milk, meat(d) Plant, vegetable, butter, milk

Answer»

Question 6



Read each set of terms and identify the odd set.



(a) Cow, milk, butter



(b) Hen, meat , egg



(c) Goat, milk, meat



(d) Plant, vegetable, butter, milk



1255.

What is Genetic Drift and Gene Transfer? [2 MARKS]

Answer»

What is Genetic Drift and Gene Transfer? [2 MARKS]

1256.

If a particular component of food is missing in a person's diet, he/she is likely to suffer from __________.

Answer»

If a particular component of food is missing in a person's diet, he/she is likely to suffer from __________.


1257.

The natural surroundings in which an organism live is called its

Answer»

The natural surroundings in which an organism live is called its


1258.

Question 43Classify Rohu, Scoliodon, Flying lizard, King Cobra, Frog, Salamander, Ostrich, Pigeon, Bat, Crocodile and Whale into the cold-blooded/warm-blooded animals.

Answer»

Question 43

Classify Rohu,
Scoliodon, Flying lizard, King Cobra, Frog, Salamander, Ostrich, Pigeon, Bat, Crocodile and Whale into the cold-blooded/warm-blooded animals.



1259.

Difference between the following in tabular form at least 3 points eachB) cell organelles and cell inclusions

Answer» Difference between the following in tabular form at least 3 points each

B) cell organelles and cell inclusions
1260.

Blood groups are differentiated based on the type of the antigen present on the surface of

Answer»

Blood groups are differentiated based on the type of the antigen present on the surface of


1261.

Different types of nutrients and it's deficiency diseases

Answer» Different types of nutrients and it's deficiency diseases
1262.

The spines of a cactus plant are modified(a) stems.(b) leaves.(c) roots.(d) flowers.

Answer»

The spines of a cactus plant are modified
(a) stems.
(b) leaves.
(c) roots.
(d) flowers.

1263.

Which of the following leaves show parallel venation?

Answer»

Which of the following leaves show parallel venation?


1264.

Which vitamin can you relate the following images to?

Answer»

Which vitamin can you relate the following images to?


1265.

Tertiary stage in sewage waste treatment involves the removal of ________

Answer»

Tertiary stage in sewage waste treatment involves the removal of ________


1266.

What is savanah and xerophtic, tundra

Answer» What is savanah and xerophtic, tundra
1267.

I am a distinct whitish oval scar on the concave side of the seed. I represent the spot where the ovule was attached to the ovary wall through the placenta. Who am I?

Answer»

I am a distinct whitish oval scar on the concave side of the seed. I represent the spot where the ovule was attached to the ovary wall through the placenta. Who am I?


1268.

Name : (a) Parts of the root. (b) Parts of the stem. (c) The place on the stem where leaves grow. (d) Parts of a leaf. (e) A small leaf-like part at the base of the leaf. (f) Parts of a flower. (g) Outermost whorl of a flower.

Answer»

Name :



(a) Parts of the root.



(b) Parts of the stem.



(c) The place on the stem where leaves grow.



(d) Parts of a leaf.



(e) A small leaf-like part at the base of the leaf.



(f) Parts of a flower.



(g) Outermost whorl of a flower.

1269.

The colour of blood is due to the presence of______

Answer»

The colour of blood is due to the presence of______


1270.

Give two examples each of living thing that:a. start life as single cells but develop more cellsb. never have more than one cell

Answer» Give two examples each of living thing that:



a. start life as single cells but develop more cells

b. never have more than one cell
1271.

Regardez l'image et répondez.1. Qu'est-ce que c'est?2. Nommez trois choses que vous voyez.

Answer» Regardez l'image et répondez.

1. Qu'est-ce que c'est?

2. Nommez trois choses que vous voyez.
1272.

22.Prove that weight of two elements which combine with one another are in ratio of their equivalent weight.

Answer» 22.Prove that weight of two elements which combine with one another are in ratio of their equivalent weight.
1273.

What is formed as a result of respiration in muscles? Explain in detail.

Answer» What is formed as a result of respiration in muscles? Explain in detail.
1274.

Name the living organisms that break down the dead bodies of plants and animals into simple compounds.

Answer» Name the living organisms that break down the dead bodies of plants and animals into simple compounds.
1275.

Name the major nutrients in our food.

Answer»

Name the major nutrients in our food.



1276.

Does octopus has beak it has why it is not considered as bird

Answer»

Does octopus has beak it has why it is not considered as bird

1277.

1 Explain structure of fructose.

Answer» 1 Explain structure of fructose.
1278.

Rabbits eat grass and other plants to survive, but they do not eat animals. What kind of animal are rabbits?

Answer»

Rabbits eat grass and other plants to survive, but they do not eat animals. What kind of animal are rabbits?



1279.

Custard apple is an example of

Answer»

Custard apple is an example of


1280.

Which of the following statements define the gynoecium?

Answer»

Which of the following statements define the gynoecium?



1281.

The 16th of ___ is celebrated as 'ozone protection day'.

Answer»

The 16th of ___ is celebrated as 'ozone protection day'.


1282.

Which of the following is a biotic component of bones?

Answer»

Which of the following is a biotic component of bones?


1283.

Give suitable explanations for the following:(a) Breathing through the nose is said to be healthier than through the mouth.(b) Why does gaseous exchange continue in the lungs even during expiration?(c) Why does a person feel breathlessness at higher altitudes?(d) Why do you shiver and why do your teeth chatter when it is very cold in winter?

Answer» Give suitable explanations for the following:

(a) Breathing through the nose is said to be healthier than through the mouth.

(b) Why does gaseous exchange continue in the lungs even during expiration?

(c) Why does a person feel breathlessness at higher altitudes?

(d) Why do you shiver and why do your teeth chatter when it is very cold in winter?
1284.

The semi perimeter of a triangle with sides 32 cm, 30 cm and 30 cm is 46 cm. Its area is

Answer»

The semi perimeter of a triangle with sides 32 cm, 30 cm and 30 cm is 46 cm. Its area is


1285.

How do antagonistic muscle help in movement?

Answer» How do antagonistic muscle help in movement?
1286.

8. The ionization constant of ammonium hydroxideis 1.77 x 105 at 298 K. Hydrolysis constant ofammonium chloride is -(1) 5.65 x 10-12(3) 6.50 x 10-12(2) 5.65 x 10-10(4) 5.65 x 10-13

Answer» 8. The ionization constant of ammonium hydroxideis 1.77 x 105 at 298 K. Hydrolysis constant ofammonium chloride is -(1) 5.65 x 10-12(3) 6.50 x 10-12(2) 5.65 x 10-10(4) 5.65 x 10-13
1287.

What are vesicles?

Answer»

What are vesicles?

1288.

What types of foods do plants give us?

Answer»

What types of foods do plants give us?


1289.

Which of the following plant leaves are edible?

Answer»

Which of the following plant leaves are edible?



1290.

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:

Answer»

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:




1291.

Which of the following is not an adaptation of xerophytic plants

Answer»

Which of the following is not an adaptation of xerophytic plants


1292.

Based on their life cycles, choose the odd plant out.

Answer»

Based on their life cycles, choose the odd plant out.


1293.

Which of the following has a thick main root?

Answer»

Which of the following has a thick main root?



1294.

Why are earthworms commonly called as farmer's friends?

Answer» Why are earthworms commonly called as farmer's friends?
1295.

Jute is a very strong fibre. Why then is it not used to make cloth?

Answer» Jute is a very strong fibre. Why then is it not used to make cloth?
1296.

The basic need for evolving complex structural organisation in animals is to facilitate _____.

Answer»

The basic need for evolving complex structural organisation in animals is to facilitate _____.


1297.

Which of the following modifications are made to make a “tamed” Ti plasmid which can transfer cry genes to a plant’s genome?

Answer» Which of the following modifications are made to make a “tamed” Ti plasmid which can transfer cry genes to a plant’s genome?
1298.

Give two differences between a zygote and a foetus.

Answer» Give two differences between a zygote and a foetus.
1299.

Mustard is an example of ___.

Answer» Mustard is an example of ___.
1300.

In which among the following, cell division itself is a mode of reproduction?

Answer»

In which among the following, cell division itself is a mode of reproduction?