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Which of the following will cause the minamata disease ?

Cardamom is known as the ___ of spices.

What is preparation of soil

Which of the following belong to 'fauna' and which belong to 'flora' of the Pachmarhi Biosphere Reserve ? Sal, Ariun, Cheetal, Teak, Leopard, Fern, Blue bull, Barking deer, Mango, Wolf.

Assertion [A] Viruses are considered to be at the borderline of living and non-living things.

Reason [R] Viruses cannot survive outside the host organism.

Question 07

In which part of the female reproductive organ does the embryo get embedded?

Identify the correct sequence of events.

Which is the most likely reason for brushing your teeth in the morning and before bed?

What will you do?

(a) A person having cholera is to be given temporary but immediate treatment.

(b) Your friend has contracted chickenpox.

(c) The diet of a person convalescing after typhoid is to be planned.

(d) A child in your class is an AIDS patient.

What is meant by 'reforestation' ? What are the advantages of reforestation ?

Question 26
Paddy is a major cereal crop in our country.
a. In which season is paddy cultivated?
b. Discuss the method of sowing.
c. What measures must be taken to prevent spoilage and insect attack of harvested grains.

In which of the following processes does diffusion play an important role?

Some statements are given, followed by some conclusions. Consider the statements to be true even if they seem to be at variance from commonly known facts. Decide which of the given conclusions follow from the given statements.

Statements:
Some sweets are almonds.
Some almonds are cashews.
All cashews are pistachios.
Conclusions:
I. All almonds are pistachios.
II. Some pistachios are sweets
III. Some sweets are cashews.
IV. All almonds are either sweets or cashews.

Which one of the following cytoplasmic organelle only present in the prokaryotes?

How does biology help us in leading a healthier life

Fertilisation results immediately in the formation of:

A. a zygote

B. an embryo

C. a placenta

D. a foetus

Q100. The Indian Ocean Rim Association (IORA) aims towards:

1. Social development of Indian Ocean rim region.

2. Enhancing security and protection from piracy.

3. Trade facilitation.

Select the correct answer using the codes given below.

What is the composition of a cell wall in a plant cell?

Common cold is not cured by antibiotics
because it is

Which is not a symptom of food poisoning?

Name the micro-organisms present in the soil and in the root nodules of leguminous plants which can fix atmospheric nitrogen.

What is the function of a cell wall in a plant cell?

Which of the following is not an oviparous animal ?

(a) snake

(b) fish

(c) rat

(d) frog

A photoelectric material having work-function ${\varphi }_0$ is illuminated with light of wavelength $\lambda$ $(\lambda <\frac{hc}{{\varphi }_0})$. The fastest photoelectron has a de Broglie wavelength ${\lambda }_d$. A change in wavelength of the incident light by $\Delta \lambda$ results in a change $\Delta {\lambda }_d$ in ${\lambda }_d$. Then the ratio $\Delta {\lambda }_d/\Delta \lambda$ is proportional to

Explain how, the irrigation requirements depend on the nature of the crop.

Which of the following is an essential element for plant growth?

Which one of the following occurs in both cyclic and non-cyclic photophosphorylation?

Define foetus. After how many weeks of development, a human embryo is said to become a foetus?

Corpus luteum is an endocrine structure in females that primarily produces ___ .

Example of blue-green algae is in ___.

Give two differences between a zygote, an embryo and a foetus.

Is Rhizopus the scientific name of fungi ?

Question 72

State whether the following statement is true or false:

The square root of a perfect square of n digits will have $\left(\frac{n+1}{2}\right)$ digits, if n is odd.

What happens to the zygote after fertilisation?

The disease that can be prevented by vaccination is: