Explore topic-wise InterviewSolutions in .

How is metamorphosis in frog tadpole delayed or improper if iodine is insufficient?

We know that water is acid or base but why doesn't it taste bitter or sour

What are the secondary sexual characteristics in the human male and female respectively ?

Pick out the factors that affect the population density.

Production of food increases in_________

Given below is a statement followed by four choices. Select the correct answer:

BCG vaccine provides immunity against:

Hot spots of biodiversity are areas

Water absorbed by the roots from the soil reach the tissues of the leaves through ___ .

The colour of the iris is determined by the presence of _________.

Which of the following condition is true for hyposecretion of ADH

In the human blood grouping, the four basic blood types are type A, type B, type AB, and type O. The blood proteins A and B are :

(a) simple dominant and recessive traits (b) incomplete dominant traits

(c) codominant traits (d) sex-linked traits

The instrument used for measuring the rate of transpiration is

Except .................... all veins carry deoxygenated blood.

The (i)___, controls both the heart rate and the stroke volume. There are two separate nerves from the cardiovascular centre to the sinoatrial node: the (ii)___, to speed up the heart rate and the (iii)___, to slow it down. These two receptors receive information from special cells called (iv)___, present in the aortic arch and in the carotid sinus.

What is the difference between acidity and indigestion??

Question 24

What are the specific features present in a deer that help it to detect the presence of predators like lion?

An alga which reproduction by the asexual method called fragmentation is :
(a) Rhizopus
(b) Salmonella
(c) Plasmodium
(d) Spirogyra

Which of the following are the chambers of the stomach in grass eating animals?

What are chordates?

Identify the event taking place in the following figure.

How does biogas help in reducing pollution in our enbenvironm

Describe how exchange of gases take place in our lungs?

Imagine that you are a member of the municipal body of your town. What measures would help your town to ensure the supply of clean water to all its residents?

Consider the sequence of activities given below:

i. Lymphocytes produce antibodies

ii. Phagocytes engulf the antigen that have been "marked" by the antibodies

iii. Antigen enters the body

iv. Lymphocytes recognise antigen

v. Antibodies render the antigen harmless

Which of these is the correct order in which the above occur?

She could not have told why she was ___ .

The largest ozone hole is over

Which of the following is the correct sequence of parts as they occur in the human alimentary canal ?

(a) Mouth $\to$ Stomach $\to$ Small intestine $\to$ Oesophagus $\to$ Large intestine
(b) Mouth $\to$ Oesophagus $\to$ Stomach $\to$ Large intestine$\to$ Small intestine
(c) Mouth $\to$ Stomach $\to$ Oesophagus $\to$ Small intestine $\to$ Large intestine
(d) Mouth $\to$ Oesophagus $\to$ Stomach $\to$ Small intestine $\to$ Large intestine

What is the greenhouse effect?

Question 146(ii)

The given table shows the crop production of a state in the year 2008 and 2009. Observe the table given below and answer the given questions.
$\begin{array}{ccc}Crop& 2008Harvest\left(Hectare\right)& Increase/Decrease\left(Hectare\right)in2009\\ Bajra& 1.4\times {10}^3& -100\\ Jowar& 1.7\times {10}^6& -440000\\ Rice& 3.7\times {10}^3& -100\\ Wheat& 5.1\times {10}^5& +190000\end{array}$
Write the production of all the crops in 2009 in their standard form.

The fluid filled in the space between lens and cornea is

Question 4
Match the items of Column I with those given in Column II:
$\begin{array}{cc}& \\ ColumnI& ColumnII\\ Foodcomponents& Product\left(s\right)ofdigestion\\ Carbohydrates& Fattyacidsandglycerol\\ Proteins& Sugar\\ Fats& Aminoacids\end{array}$

A potted plant having straight parts A and B were placed horizontally on its side as shown in Figure (i). After a few days, it was observed that the parts A and B of the plant acquire new positions as shown in Figure (ii).

(a) Name the phenomenon exhibited by the position of plant parts A and B in Figure (ii).

(b) Name the stimulus (other than sunlight) which causes plant parts A to grow and bend upwards, and plant part B to bend downwards.

With reference to the Pradhan Mantri Matritva Vandana Yojana (PMMVY), which of the following statements is/are correct?

1. It is available to all Pregnant Women & Lactating Mothers.

2. It is a central sector scheme.

3. The scheme is applicable to the mothers above the age of 19 years and for the first two live births.

Which fact is wrong about zoos or zoological parks?

Which of the plasma proteins listed below is not matched correctly to its function?

Assertion: Relay neurons form connection between other neurons.

Reason : Relay neurons, though form nerve connections, are only present in brain.

Which is the symbol of family welfare in our country?

Exchange of gases between the blood and the tissues of the body is called

The olfactory receptors in humans are located in :

(a) eyes

(b) tongue

(c) ears

(d) nose