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If you are roaming in a jungle, then which body organ will be most helpful to stay safe from wild animal's attack?

Scorpion belongs to which of the following phylums?

Fluid part of blood after removal of corpuscles is ______________.

Hump of a camel consists of ___ tissue.

What is a heartbeat? Name the instrument used by doctors to listen to the heartbeat? How does it work? [3 MARKS]

Which among the following carry oxygenated blood?

Thread-like fungi have fine thread-like structures called ________.

In cockroaches, air enters the body through __________ .

Fragmentation is a mode of reproduction observed in___.

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

Which of the following is true about insertional inactivation of the β-galactosidase coding sequence?

What do you understand by 'Soil Profile'?

What is the respiratory organ of rohu fish?

Explain the difference between a nourishing diet and a balanced diet.

Xerophytic plants live in the following conditions

निम्नलिखित प्रश्न के उत्तर (25-30 शब्दों में) लिखिए -

'शैलेन्द्र ने राजकपूर की भावनाओं को शब्द दिए हैं' − इस कथन से आप क्या समझते हैं? स्पष्ट कीजिए।

Brassica nigra is the scientific name of ___.

Represent the following data by an appropriate bar diagram.

Import and Export of India

$\begin{array}{ccc}\text{Year}& \text{Imports in Current}& \text{Exports in Current}\\ & \text{Price (Rs. in thousand}& \text{Price (Rs. in}\\ & \text{crore)}& \text{thousand crore})\\ 2002-03& 139& 119\\ 2003-04& 154& 130\\ 2004-05& 176& 142\\ 2005-06& 149& 119\end{array}$

Why we yawn when we are sleepy or drowsy

Which one of the following, won't be considered as a part of cytoplasm?

You must have noticed that the cows continuously chew something even if there is no fodder in front of them. What is the reason behind it?

Translocation of carbohydrate usually occurs in the form of

Which of the following method(s) helps in food preservation?

Which of the following is correct about the major role of the circulatory system?

How many pairs of legs are there in cockroaches?

In which of the following root systems primary root is prominent?

What is the other name for cell membrane, chromosomes and lysosomes?

Why chloroplasts are found only in plant cells?

Match the parts of the leaf depicted in the image with the descriptions given.

(A) Main vein in the center of the leaf.
(B) Broad green part of the leaf.
(C) Stalk of Leaf

(D) Lines radiating out of midrib.

Leaves of which of the following plants are used for thatching roofs of cottages?

Vitamin that assists in blood clotting is:

Question 1

Fill in the gaps in the following table illustrating differences between prokaryotic and eukaryotic cells.

$\begin{array}{cccc}& \text{Prokaryotic cell}& & \text{Eukaryotic cell}\\ & & & \\ 1.& \text{Size: generally small}(1-10\mu m)1\mu m={10}^{-6}m& 1.& \text{Size: generally large}(5-100\mu m)\\ 2.& \text{Nuclear region}:\underset{–}{}\text{and is known as}\underset{–}{}& 2.& \text{Nuclear region: well-defined and surrounded by a nuclear membrane}\\ 3.& \text{Chromosome:single}& 3.& \text{More than one chromosome}\\ 4.& \text{Membrane-bound cell organelles are absent}& 4.& \underset{–}{}\end{array}$

name a plant parially heterotrophs

Question 14

Paheli avoids eating vegetables but likes to eat biscuits, noodles and white bread. She frequently complains of stomach ache and constipation. What are the food items that she should include in her diet to get rid of the problem? Give reasons for your answer.

Which of the following is/are perennial allergies?

Below is a picture of the potato plant, can you recognize which are the reproductive part and the vegetative part?

A bronchodilator is used for the treatment of ___.

RAAS secretes which of the following hormones?