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How is N related to S?

I. Brother of N is the only grandson of S's father.

II. S has 2 children who are of different genders.

Blood collects the waste material from the tissues and takes it to the ______ where it is filtered.

How does pesticides enters our food chain?

Column I consists of different waste materials expelled by the body and column II consists of the organs that help in the process. Match them accordingly.
$\begin{array}{cc}\text{Column I}& \text{Column II}\\ \text{a) Sweat}& \text{1. Lungs}\\ \text{b) Carbon dioxide}& \text{2.Kidney}\\ \text{c) Urine}& \text{3. Skin}\end{array}$

Why are carnivorous plants dependent on insects for their nutritional requirements? Mention different types of trapping mechanisms. [5 MARKS]

Is it necessary that all mutations in genes will lead to abnormalities in child? Is there any difference between sickle cell anemia and beta- cell anemia?

Pick a fleshy and juicy fruit among the following:

What is the cause of heat generation when people often jump up and down to feel warmer in cold weather ?

Which of the following is involved in the process of preservation of food?

How do respiration takes place in humans?

Function of cell membrane

Which one of the following is not a cause of asthma?

Question 21
Can you give me a name? Solve each of the following riddles by writing the name of the organism and its mode of nutrition. One riddle is solved to help you.

(a) I am tall but I cannot move. I am green and can prepare my own food. tree, autotroph
(b) I live in water; people keep me in an aquarium and feed me. __, __
(c) I am small and I can fly. I disturb your sleep, bite you and suck your blood which is my food. __, __
(d) I am white and soft. I grow well in the rainy season. Children pluck me from the ground and admire me. I absorb nutrients from decomposed dead parts of plants and animals in the soil. __, __

Question 136 (iii)

Designing a Healthy Diet When you design your healthy diet, you want to make sure that you meet the dietary requirements to help you grow into a healthy adult. As you plan your menu, follow the following guidelines.
55% of calories should come from carbohydrates. There are 4 calories in each gram of carbohydrates.

Plasma membrane is made up of

In which animal the water brings food and oxygen into the body?

What does Iodine does in human body?

When two organisms are mutually beneficial for each other, it is called symbiotic relationship.
For e.g. Lichen is the symbiotic relationship between algae and fungi. Fungi provides shelter to the algae whereas algae provides nutrition to fungi.
Select the options in which organisms are mutually beneficial for each other from the following.

Name any two leguminous plants

Why only the arrow shaped card board shows the direction of wind why not square shaped one?

Identify an appropriate noun for the blank.

The _____, who was afraid of cats, was left behind by the others.

Where does cud return to?

Which of the following blood vessels carries blood with the highest pressure?

Why are carnivorous plants dependent on insects for their nutritional requirements? Give two examples. [3 MARKS]

The method of growing a plantlet from cells or tissues of a plant in an aseptic condition is called ________.

If osmosis is the movement of solvent only from higher concentration to lower concentration then how did the semi permeable membrane stop the flow of solvent from lower concentration to higher concentration?

Match the following with repect to glands and disease

$$\begin{array}{cc}\text{A. Addison's disease}& \text{1. Pituitary}\\ \text{B. Tetany}& \text{2. Thyroid}\\ \text{C. Acromegaly}& \text{3. Adrenal cortex}\\ \text{D. Myxoedema}& \text{4. Parathyroid.}\end{array}$$

Food in the mouth is broken down into small pieces by:

Name two animals which undergo external fertilisation and two animals which undergo internal fertilisation?

The protoplasm is a:

Match the reasons given in column 2 to the features of cacti in column 1.

$\begin{array}{cc}Featuresofcacti& Reasons\\ a.\text{Spiny leaves}& \left(i\right)\text{Absorbing water from depths of soil}\\ b.\text{Thick, round fleshy stems}& \left(ii\right)\text{Prevent loss of water by transpiration}\\ c.\text{Deep roots}& \left(iii\right)\text{Store water}\\ d.\text{Closed stomata during the day}& \left(iv\right)\text{Prevent animals from eating the cactus}\\ e.\text{Carbon dioxide storage during the night}& \end{array}$

Choose the correct option.

______ and______ are the female sex hormones produced by ovary.

Green stem of certain plants respire through:

What are the different entry routes of allergens?

Through the nose

Through the mouth

Through the hairs

Through the skin

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

(a) Main vein in the centre of the leaf

(b) Broad green part of the leaf

(c) Stalk of Leaf

(d) Lines radiating out of midrib

Hibiscus leaf depicted in the image has a mesh like network of veins. Therefore, it has a________ venation.

____ are called the food factories of the plants.

For the given assertion and reason, chose the correct option.

Statement 1 : Chlamydomonas is unicellular algae

Statement 2: Spyrogyra is colonial algae

The percentage of carbon dioxide in exhaled air is ___________.

Butter is characterized as a