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The albumin (white part) of egg gives purple/violet colour with the solution of copper sulfate and caustic soda. This shows that ________ is present in it.

Is it true that when we inhale the smell of compost, it builds our immunity? What's the logic behind case?

Question 10

The movement of the shoot towards light is



(a) geotropism

(b) hydrotropism

(c) chemotropism

(d) phototropism

Which of the following is not a response to a stimulus?

Give two examples of each.

Why lysosome is called digestive bag ?

Beans and mustard are examples of ___ plants.

Question 2.5

Indicate true (T) and false (F) among the following sentences.
Cockroaches have an outer skeleton.

Carry out the experiment for finding out the volume of a stone, in the laboratory. Describe your method.

Which of the following statement is correct?

1. The upper lips of the guinea pig have a cleft called vibrissae.

2. The cleft is in the middle through which the upper incisors are seen.

Who is called the “Father of Genetics"?

Seema was scared of earthworms and wanted to kill all of them but her father said they are good. Why?

What is the fate excess glucose in our body?

Which of the following is not a reason why water is important for plants?

Why can our elbow not move backward?

Bala is a class 6 student. She is trying to make the following project. She is searching for the title of this project. What could be the most appropriate title for this?

An environmental problem caused by landfills are

$\begin{array}{cccc}& \text{Habitat}& & \text{Adaptation}\\ \text{A.}& \text{Marine habitat}& 1.& \text{Long hair}\\ \text{B.}& \text{Coastal habitat}& 2.& \text{Fast and agile}\\ \text{C.}& \text{Grasslands habitat}& 3.& \text{Thick layer of fat}\\ \text{D.}& \text{Tundra habitat}& 4.& \text{Streamlined body}\end{array}$

Which option is correctly matched?

Position of future cell plate formation is decided by ?

1) Non contractile hollow filaments of acidic proteins

2) Intermediate filaments

3) Microtubules

4) Microfilaments

Question 18

Wild animals like tiger, wolf, lion and leopard do not eat plants. Does this mean that they can survive without plants? Can you provide a suitable explanation?

What are the devices used for filtering polluted air?

Three matured air dried bean seeds are taken and tied to a glass slide at three positions as shown. This slide is kept in a beaker containing water in a manner that the top seed is well above water, the middle one is just at the water level and the bottom one is deep in water. The experimental set up is left in a warm place for a few days. What will you notice by the end of the process?

The nucleus acts as the ______ of a cell.

Why is wind a good agent of pollination?

Name 4 nuts and write which partof the plant they are from.

The light reaction of photosynthesis occurs in