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1551.

Why are radishes, carrots, beetroots, and sweet potatoes thick, fleshy and bulging? Which part of the plant do they form?

Answer»

Why are radishes, carrots, beetroots, and sweet potatoes thick, fleshy and bulging? Which part of the plant do they form?

1552.

A car takes fuel, burns it to produce energy, moves and excretes smoke. Why can't we call it a living thing

Answer» A car takes fuel, burns it to produce energy, moves and excretes smoke. Why can't we call it a living thing
1553.

Stethoscope measures the ________________.

Answer»

Stethoscope measures the ________________.



1554.

Why are green plants known as producers?

Answer» Why are green plants known as producers?
1555.

Which of the following is true about the energy coming from the Sun to the Earth?

Answer» Which of the following is true about the energy coming from the Sun to the Earth?
1556.

Why N2O3 is called sesquioxide?

Answer» Why N2O3 is called sesquioxide?
1557.

Gibberellic acid induces flowering

Answer»

Gibberellic acid induces flowering



1558.

39. Difference between dicot and monocot root, stem and leaf

Answer» 39. Difference between dicot and monocot root, stem and leaf
1559.

Ramesh doesn’t like Citrus fruits like orange.(a)Which vitamin is he missing in his diet?(b)How it would affect his health?

Answer»

Ramesh doesn’t like Citrus fruits like orange.



(a)Which vitamin is he missing in his diet?



(b)How it would affect his health?



1560.

Is work done when you close your eyelids?

Answer»

Is work done when you close your eyelids?

1561.

Please explain 5 R's refuse reduce reuse recycle and repurpose?

Answer» Please explain 5 R's refuse reduce reuse recycle and repurpose?
1562.

Explain the differences.a. Arteries and veins.b. External and internal respiration

Answer» Explain the differences.

a. Arteries and veins.

b. External and internal respiration
1563.

What is photosynthesis ?

Answer»

What is photosynthesis ?

1564.

In which vitamin would your body be most deficient if you did not eat fresh fruits and green vegetables?(a) vitamin A(b) vitamin B(c) vitamin C(d) vitamin D

Answer» In which vitamin would your body be most deficient if you did not eat fresh fruits and green vegetables?

(a) vitamin A

(b) vitamin B

(c) vitamin C

(d) vitamin D
1565.

State some factors can increase chances of spread of air-borne diseases.

Answer» State some factors can increase chances of spread of air-borne diseases.
1566.

Which of the following is a freshwater organism?

Answer»

Which of the following is a freshwater organism?


1567.

_______ is the present in the centre of the cell and controls all its activities.

Answer»

_______ is the present in the centre of the cell and controls all its activities.


1568.

Which vitamin is easily destroyed during cooking?

Answer» Which vitamin is easily destroyed during cooking?
1569.

A few tomato seeds were placed in three pots A, B and C containing soil. The pots were watered regularly and following were mixed with the soil in the respective pots. Pot Source of Nutrients Pot A Nil Pot B Cow dung Pot C Urea Which of the following will be observed after 10 days?

Answer» A few tomato seeds were placed in three pots A, B and C containing soil. The pots were watered regularly and following were mixed with the soil in the respective pots.

Pot Source of Nutrients Pot A Nil Pot B Cow dung Pot C Urea

Which of the following will be observed after 10 days?
1570.

Is the fleshy underground part of the ginger plant a root or a stem?

Answer» Is the fleshy underground part of the ginger plant a root or a stem?
1571.

What are the examples for herbs and shrubs?

Answer»

What are the examples for herbs and shrubs?

1572.

Plants can perform photosynthesis while animals cannot. Which of the following statements explain the reason for this?

Answer»

Plants can perform photosynthesis while animals cannot. Which of the following statements explain the reason for this?


1573.

In some plants, the leaf base swells up and forms a __ that can lose water rapidly.

Answer»

In some plants, the leaf base swells up and forms a __ that can lose water rapidly.

1574.

Explain different types of joints in detail.

Answer»

Explain different types of joints in detail.



1575.

explain kidneys and gonads formationsimultaneosly starting from coelom

Answer» explain kidneys and gonads formation
simultaneosly starting from coelom
1576.

Name the plant organ which is responsible for: (a) making of food. (b) absorption of water and minerals.

Answer»

Name the plant organ which is responsible for:
(a) making of food.
(b) absorption of water and minerals.

1577.

The hip bone is connected to backbone by:

Answer»

The hip bone is connected to backbone by:


1578.

In an experiment to test the presence of starch in a leaf, the leaf is boiled in alcohol for a few minutes using a water bath. This is an essential step in the experiment because alcohol:(1) softens the leaf(2) disinfects the leaf(3) allows iodine to enter the leaf(4) dissolves chlorophyll from leaf

Answer» In an experiment to test the presence of starch in a leaf, the leaf is boiled in alcohol for a few minutes using a water bath. This is an essential step in the experiment because alcohol:

(1) softens the leaf

(2) disinfects the leaf

(3) allows iodine to enter the leaf

(4) dissolves chlorophyll from leaf
1579.

Question 31Do you agree that “A cell is a building unit of an organism”. If yes, explain why?

Answer»

Question 31

Do you agree that “A cell is a building unit of an organism”. If yes, explain why?



1580.

How can you experimentally demonstrate the transportation of water in plants?

Answer» How can you experimentally demonstrate the transportation of water in plants?
1581.

What are the major groups of microorganisms?

Answer» What are the major groups of microorganisms?
1582.

steps to find atomic weight of calcium

Answer» steps to find atomic weight of calcium
1583.

Name the longest bone in the human body.

Answer» Name the longest bone in the human body.
1584.

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



1585.

Identify the factor/ factors that lead to the formation of new species from the below pictures

Answer»

Identify the factor/ factors that lead to the formation of new species from the below pictures


1586.

Name the muscular sheet that forms the floor of the chest cavity?

Answer» Name the muscular sheet that forms the floor of the chest cavity?
1587.

Workers in the sericulture industry suffer from asthma and other breathing problems. Why?

Answer» Workers in the sericulture industry suffer from asthma and other breathing problems. Why?
1588.

Which of the following group exhibits more species diversity?

Answer»

Which of the following group exhibits more species diversity?


1589.

Which part of the plants help in taking gases from soil?

Answer» Which part of the plants help in taking gases from soil?
1590.

What kind of leaf venation would you expect to find in a plant with a tap root?

Answer» What kind of leaf venation would you expect to find in a plant with a tap root?
1591.

Monocots are characterised by the presence of

Answer»

Monocots are characterised by the presence of


1592.

What is known as plant food?

Answer»

What is known as plant food?


1593.

Which of the following are male reproductive parts of the flower?

Answer»

Which of the following are male reproductive parts of the flower?


1594.

What is function of basement membrane in cell?

Answer» What is function of basement membrane in cell?
1595.

The system which gives a definite shape to our body is called

Answer»

The system which gives a definite shape to our body is called



1596.

Question 7 (b) Find the odd one out from the following: Rose, Jasmine, Boat, Marigold, Lotus

Answer»

Question 7 (b)

Find the odd one out from the following:
Rose, Jasmine, Boat, Marigold, Lotus

1597.

Temperature below the optimum level (i)________ the growth of the embryo. Whereas temperatures much higher than the optimum range (ii)_______ the embryo.

Answer»

Temperature below the optimum level (i)________ the growth of the embryo. Whereas temperatures much higher than the optimum range (ii)_______ the embryo.



1598.

Match the following: Column 1Column 2Column 3a. Calciumi. Thyroxin1. Milkb. Ironii. Strengthens our teeth and bones2. Kelpc. Iodineiii. Hemoglobin - oxygen trasnport3. Kheer, Jaggery

Answer»

Match the following:

Column 1Column 2Column 3a. Calciumi. Thyroxin1. Milkb. Ironii. Strengthens our teeth and bones2. Kelpc. Iodineiii. Hemoglobin - oxygen trasnport3. Kheer, Jaggery


1599.

Which one of the following plant parts is correctly matched with one of its stated characteristics

Answer»

Which one of the following plant parts is correctly matched with one of its stated characteristics


1600.

Question 6State the difference between eukaryotes and prokaryotes.

Answer» Question 6

State the difference between eukaryotes and prokaryotes.