Explore topic-wise InterviewSolutions in .

Why a mustard seed would not grow at 100 degree C?

What possible disorder are you likely to have if you consume dal adulterated with kesari dal frequently?

Define nutrition (1 mark)

____ is a dark green coloured spherical sac situated between the two lobes of the liver.

What is so dangerous about dengue virus?

Why is antiseptic added to the flask containing boiled seeds?

Match the following:-

Cellular respiration is the process in which __________ gets converted to energy.

What is the use of a lactometre?

Which of the following regions is located around the equator?

What results in dough formation when atta or maida is mixed with yeast? [2 MARKS]

Question 15
Choose the odd one out from each group and give reasons.

i) Liver, salivary gland, starch, gall bladder
ii) Stomach, liver, pancreas, salivary gland
iii) Tongue, absorption, taste, swallow
iv) Oesophagus, small intestine, large intestine, rectum

Abhi observed the following cell parts of two different cells under a microscope. He recorded his observation in the table given.
$\begin{array}{ccc}\text{Parts of cell}& Cell{}^{\prime }{X}^{\prime }& Cell{}^{\prime }{Y}^{\prime }\\ \text{Cell wall}& \text{Present}& \text{Absent}\\ \text{Cytoplasm}& \text{Present}& \text{Present}\\ \text{Nucleus}& \text{Present}& \text{Present}\\ \text{Cell Membrane}& \text{Present}& \text{Present}\\ \text{Chloroplast}& \text{Absent}& \text{Absent}\end{array}$

Identify 'X' and 'Y'

What is the basic unit of Linnaeus's system of classification?

Which among the following essential element play important role in opening and closing of stomata?

Difference between insect pollination and water pollination

P in the heart have thicker muscular walls than Q do. Also, R ensure that blood does not flow backwards when the atria or ventricles contract.
P is ___
Q is ___
and R is ___

Vegetative reproduction does not take place by:

Where in the respiratory system does oxygen, from the air breathed in pass into the blood.

Option 1 : trachea

Option 2 :bronchi

Option 3 : bronchioles

OpOpti 4 : alveoli

Why is protein digesting enzymes in the stomach released as inactive enzymes or zymogens?

After harvesting crops, certain types of plants are preferably grown on the land to replenish the soil of depleted nutrients. This helps in reducing the dependence on artificial nitrogenous fertilizers.

Which of the following plants should be grown? (You may choose more than one option)

Which among the following is not a natural preservative?

Roots are of mainly:
(A) Taproot
(B) Fibrous root
(C) Both A & B types
(D) None of these

Match the adaptations given in column 1 with the advantages in column 2.

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

Match the discoveries with the scientists who have made it.

$\begin{array}{cc}\text{Column I}& \text{Column II}\\ \text{a. Anton Van Leeuwenhoek}& \text{i. All animals are made of cells}\\ \text{b. Robert Hooke}& \text{ii. Father of microbiology}\\ \text{c. Theodor Schwann}& \text{iii. Cork has boxed structures}\\ \text{d. Matthias Schleiden}& \text{iv. All plants are made of cells}\end{array}$

Few about green plants.

People with food allergies can safely consume the food that cause allergies if

During diffusion of carbon dioxide between blood and air, which of the following condition is true?

Respiration in earthworm is:

The response of parts of the plant towards moisture is called ___ .

The protein that gives red color to blood is called_____

If some plants do not have chloroplast then what they have in the place of chloroplast?

Pick the main predicate in the sentence.

Eating a whole packet of chips kills your hunger.

Too much of fat rich food would result in __.

Ruminants after taking food

Odour spreads from one room to another by the process of

The food that contains a high amount of fat would result in __.

Purnima was thinking if there's a specific term for the movement of toes, especially when we point our toes up! Could you help her with this?

Crop variety improvement is done to achieve which of the following objectives?

Fishes have a ___ body that helps them to move through the water.

What is the effect of water scarcity on plants? How will it affect humans? [3 MARKS]

Only back and forth movement is allowed by

Bholu had to use public toilet once. He exclaimed “Yuck...Smells awful! Isn’t it?” He wondered what’s the component of urine that makes it smell so disgusting?

Which of the following conditions is true, when carbon dioxide diffuses out from the blood into the air inside the alveoli?

The sea level roughly remains the same why?