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Where does the heart muscles are found

The problems such as flood, soil erosion, extinction of wild species and global warming can be reduced to an extent by the process of ___

The layer that covers the earth as a blanket is called the

what are the characteristics features of ideal shelters for cattel?

Name the type of epithelial tissue found in the respiratory tract and intestinal lining. How these tissues are different from each other?
[3 MARKS]

Water supplies are contaminated by ____________.

Question 5

How is the study of evolution and classification interlinked?

Question 04(vii)
Indicate whether the following statements are True (T) or False (F).
Fertilization is necessary even in asexual reproduction. ( )

Which of these are not the effects of deforestation?

Malaria is caused by what type of microorganism?

Q3. Consider the following statements:

1. A macrophyte is an aquatic plant that grows in or near water and is only submergent.

2. In lakes and rivers macrophytes produce oxygen, and act as food for some fish and wildlife.

Which of the above statements are correct?

Question 19
Match the animals in Column I with their mode of feeding listed in Column II.

$\begin{array}{cc}& \\ ColumnI& ColumnII\\ Animals& ModeofFeeding\\ \left(a\right)Housefly& \left(i\right)Bitingandchewing\\ \left(b\right)Cockroach& \left(ii\right)Suckling\\ \left(c\right)Mosquito& \left(iii\right)Sponging\\ \left(d\right)Infants& \left(iv\right)Sucking\end{array}$

(a) Coal is one of the ______ used to cook food.



(2)

Fill in the blanks in the following sentences.​

(b) When heated in air, coal burns and produces mainly ______ gas.

(c) Coal tar is a black, thick ______ with an ______ smell.



(4)

Fill in the blanks in the following sentences.​

(d) Petroleum, ______ and ______ are fossil fuels.

(e) Forests and coal are ______ natural resources.

Crop variety improvement is done to achieve which of the following objectives?

Nowadays, the usage of bioplastics is promoted more than ordinary plastics because _____________ .

The cork cambium is a/an

Which of the following is not a function of skin?

What do we get from cereals, pulses, fruits and vegetables? [2 MARKS]

Rasping organ in snail is:

What would be the effects on widening of ozone hole ?

Virus is a connecting link between ................ and ......................

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.

$\begin{array}{ccc}\text{Crop}& 2008\text{Harvest (Hectare)}& \text{Increase/ Decrease (Hectare)}\text{in}2009\\ \text{Bajra}& 1.4\times {10}^3& -100\\ \text{Jowar}& 1.7\times {10}^6& -440000\\ \text{Rice}& 3.7\times {10}^3& -100\\ \text{Wheat}& 5.1\times {10}^5& +190000\end{array}$
Assuming the same decrease in rice production each year as in 2009, how many hectares will be harvested in 2015? Write in standard form.

The ________ part of brain controls the secretion of pituitary gland.

Which one of the following methods is not used for transmission of diseases by infectious agents?

Give one example of Oncychophora ?

What is a tissue ? Give two examples of tissues.

All of the options given below are vitamin deficiencies except

Animals having identical right and left sides are also known as

Give two limitations of using manure.

Identify the organism in the given figure and name the phylum to which it belongs. Label A to H in the given diagram.