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Blood differs from lymph in having

Name two plants which reproduce through spores

Why the pitcher plant cannot perform photosynthesis,and it is green also?

Elements such as calcium, potassium, and phosphorus, needed by the plant in fairly large amounts are called:

Why all plants are not green?

A group of interacting populations is called a/an___ .

The major nutrients of our food are:

What is the term for the long strands of genetic material in the nucleus?

How does pasteurisation work?

Which of the following produce spores for reproduction? You may choose more than one option.

Which of the following statement is INCORRECT?

In the meristematic cells, nuclei are _______

Flowers in which only one set of reproductive organs are present are said to be________

Write examples of saprotrophs.

Assertion(A): Genes are responsible for the transfer of characteristics from the parents to the offspring.
Reason(R): Genes are present in the nucleus.

How many types of muscles are there in our body?

The temperture of a week are recorded and shown as below.
What is the temperature on Wednesday?

How exactly the immune system help us?

Question 19
Observe the figures given as Figure 10.3 (A) and (B) and answer the following.

(a) Which of the figures A or B indicates the process of inhalation and which the process of exhalation?

(b) In the figure label the arrows and indicate the direction of
(i) movement of air
(ii) movement of diaphragm
(iii) movement of the rib

Most of the digestion and absorption of food occur in the ____________.

Organisms that make their own food are called ___ .

Match the following characteristics of living organisms with the details.

$\begin{array}{cc}\text{Characteristics}& \text{Details}\\ 1.\text{Response to stimuli}& \text{a) Giving rise to another organism of the same kind}\\ 2.\text{Reproduction}& \text{b) Reaction to sensations like touch, light, heat, cold and sound}\\ 3.\text{Adaptation}& \text{c) The event at which an organism ceases to live}\\ 4.\text{Death}& \text{d) Ability of an organism to adjust to the current environment}\end{array}$

Question 3 (f)
State whether the following statement is true or false.​
​​​​​​Unwanted or unpleasant sound is termed as music.

Using cheap dyes and washing powders can cause

Identify the valves of the heart by Position :

Adrenaline directly affects

Complete the following equation representing photosynthesis.

Carbon dioxide + Water $⟶$ ________+________

An animal that is killed or hunted by other animals is known as

Which of the following is living but non-nucleated ? a) phloem cell b) sieve tube c) companion cell d) phloem parenchyma

What is the meaning of nurdle

Bryophyllum has buds in the margins of:

Which of the follwing is a health disorder that results from the deficiency of thyroxine in adults and is characterized by
(i) a low metabolic rate, (ii) increase in body weight and (iii) tendency to retain water in tissues

What precautionary measures needs to be taken into account while handling cleaning agent chemicals?

Identify P and Q in the given chart.

Rohit ate some shellfish for lunch after which he got rashes on his hands as shown in the picture. What is the reson for this?

During the process of photosynthesis, the light energy is converted to

Complete the following table: [5 MARKS]

$\begin{array}{ccc}Digestivejuicesandenzymes& Substancedigested& ProductFormed\\ Saliva& & \\ Amylase& & \\ Gastricjuice& & \\ Protease\left(pepsin\right)andhydrochloricacid& & \\ Pancreaticjuice& & \\ Proteases\left(trypsin\right)& & \\ Lipases& & \\ Amylase& & \\ Intestinalenzymes& & \\ Peptidases& & \\ Sucrase& & \\ Lactase& & \\ Maltase& & \\ Bilefromtheliver& & \\ Bilesalts& & \end{array}$

During respiration, we breathe in:

Define weather. Name the elements which determine the weather of a place. [2 MARKS]

How do plants excrete waste products from their body?

The process through which an amoeba eats its food is known as:

While using iodine in the laboratory, some drops of iodine fell on Paheli's socks and some fell on her teacher's saree. The drops of iodine on the saree turned blue-black while their colour did not change on the socks. What can be the possible reason?