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Question 19

Recently, a ban on plastic bags has been imposed in many places. Is the ban justified? Give reasons in three sentences.

Which of the following plants show vegetative propagation through leaf?

Question 16

Label the different parts of the plant given below in figure.

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Match the following:
$\begin{array}{cccc}& A& & B\\ 1.& \text{Androecium}& \text{a}& \text{Whorl of sepals}\\ 2.& \text{Gynoecium}& \text{b}& \text{Whorl of petals}\\ 3.& \text{Corolla}& \text{c}& \text{Whorl of stamens}\\ 4.& Calyx& \text{d}& \text{Whorl of pistil/carpel}\end{array}$

Identify guard cells in the given image.

A certain road accident patient with unknown blood group needs an immediate blood transfusion. A friend of his who is also a doctor at once offers his blood. What was the blood group of the donor?

The process of intake of oxygen to burn down food chemically and to release energy in the body is known as:

Question 21

Snakes and ladders

Make a board game just like snakes and ladders with $10\times 10$ grid boxes, the mouth of the snake will represent the faulty food habit or faulty method of cooking. Its tail will represent the deficiency disease caused or loss of any nutrient in food

Similarly, the box at the base of a ladder will represent healthy food habit or healthy method of cooking.

Its upper end will represent the beneicial effect of that habit. An example is given as figure. Complete the board and play with your friends.

You are given two slides, one with a spread of cheek cells and the other with onion peel. Which of the following structures would you see in both the slides?

These plants have their roots in contact with the soil underwater, but their leaves and stems extend out of the surface of the water.

Which type of aquatic plant is being described here?

Which of the following is/are advantage(s) of transpiration?

Birds fly, dogs run, centipedes crawl, they all change position and this act of changing place or position by the entire body or by one or more of its parts is called __________.

In which of these are the reproductive organs hidden?

Question 2

Which one of the following sources of protein is different from others?

(a) Peas

(b) Gram

(c) Soyabeans

(d) Cottage cheese

Question 3

Match the items in Column I with one or more items of Column II.
$\begin{array}{cc}\text{Column I}& \text{Column II}\\ \text{Upper jaw}& \text{have fins on the body}\\ \text{Fish}& \text{has an outer skeleton}\\ \text{Ribs}& \text{can fly in the air}\\ \text{Snail}& \text{is an immovable joint}\\ \text{Cockroach}& \text{protect the heart}\\ & \text{shows very slow movement}\\ & \text{have a streamlined body}\end{array}$

Which of the following is not a characteristic of WBC?

Question 12

Although organisms die, their kind continue to live on earth. Which characteristic of living organisms makes this possible?
(a) Respiration
(b) Reproduction
(c) Excretion
(d) Movement

Plants which have hard woody stem with branches close to the ground are called _____.

In an accident, two long bones of a person are dislocated. The possible reason may be the:

Which of the following methods is not appropriate for the disposal of vegetable peels?

Classify the following into biotic or abiotic elements of a habitat. [5 MARKS]

$\begin{array}{cc}\text{S.No}& \text{Element}\\ 1& \text{Bacteria}\\ 2& \text{Dog}\\ 3& \text{Humidity}\\ 4& \text{Temperature}\\ 5& \text{Water}\end{array}$

Label the parts of embryo in a seed:

Which of these is a macronutrient used by plants?

Which of the following is an organism that does not belong to desert habitat?

Which of the following affect the process of transpiration?

Every adaptation increases the an organism's chances of ________ in a particular environment.

The given floral formula is exemplified by

Part of the chloroplast where the light independent phase of photosynthesis takes place.

How many chambers are present in the human heart?

The coconut water and the edible part of coconut are equivalent to

Which part of the flower develops into fruit in a pear?

Deficiency symptoms of an element tend to appear first in young leaves.It indicates that the element is relatively immobile. Which one of the following elemental deficiency would show such symptoms?

Femur can be classified as ___.

Choose the correct option.

Assertion [A]: Locomotion is the movement of an individual from one place to place.

Reason [R]: All Locomotions are movements but all movements are not locomotion.

Which is the process by which living organisms obtain energy?

The symptom of goitre is -

What are decomposers?

What are scavenger?

Question 11

Match the name of the animals given in Column I with its body parts used for movement given in Column II.
$\begin{array}{cc}\text{COLUMN I}& \text{COLUMN II}\\ \text{(a) Human being}& \text{(i) Fins}\\ \text{(b) Cow}& \text{(ii) Wings}\\ \text{(c) Snake}& \text{(iii) Legs}\\ \text{(d) Eagle}& \text{(iv) Whole body}\\ \text{(e) Fish}& \text{(v) Limbs}\end{array}$

Whales and Dolphins are underwater for a considerable amount of their lives. By what means do you think they breathe?

Question 15

The pie charts A and B shown in the figure are based on waste segregation method adopted by two families X and Y, respectively.

Which of the two families X or Y, do you think is more environmentally conscious and why?

This is an image of?

Among the mentioned food items, which of these would contain the least amount of carbohydrate?

The following picture shows some of the food which we eat. These are a good source of which component of food?

An indoor plant produced brightly coloured flowers. But none of the flowers produced seeds. It was found out that the seeds were not being produced due to the lack of natural pollinators. So, it was decided to put the plant outdoors to attract pollinators. Which of the following do you think would be the most probable pollinator for the plant?

Which of the following are characteristics of cells?

Deficiency of vitamin B1 leads to