Explore topic-wise InterviewSolutions in .

The diagram shows the stem of a plant. A strip of the outer tissue including the phloem has been removed. What would happen to a plant without functional phloem?

In the given figure, identify the labelled parts and match them with their relative description.

How does a tree trunk exchange gases with the environment although it lacks stomata?

In presence of malonate, which step in the kreb
cycle will be inhibited?

Why does meiosis occur during the formation of gametes?

The form of energy used in respiration is

Name 2 papillae type which contains taste bud and what is the role of the third one

Name the hormone which is produced in roots, transported in xylem, promotes plant growth and cell division?

Give one word answers for each of the following.

I) Green colored pigment in plants.

II) The process of taking food and its utilization by the body.

III) The process by which green plants prepare their food.

IV) Leaves with white and green patches.

…………………….will express the recessive character or trait.

The forests that are conserved based on religious beliefs and taboos are called _______.

Match the following:

What is the meaning of nervous system

Identify the incorrect statement(s) regarding hormones from non-endocrine glands:

I. An unorganized system which works on a negative feedback mechanism.

II. Includes major parts or organs like heart, kidney, epithelial tissues, etc.

III. Most of them are very much related to digestion or excretion.

IV. All the hormones of the system are steroids and their derivatives.

Select True(T) or False(F) in the following statements regarding aerobic and anaerobic respiration.

1. Aerobic respiration proceeds in the presence of oxygen.

2. Anaerobic respiration proceeds in the absence of oxygen.

3. In anaerobic respiration end product is water.

4. Aerobic respiration occurs normally throughout life.

Which of the following statements is incorrect?

In a primitive unit cell the particles occupies

Which of these statements are correct?
(i) All vertebrates have four-chambered hearts.
(ii) Deoxygenated and oxygenated blood are separated in animals with high energy needs.
(iii) Fishes have double circulation.

State whether the following statements are true or false. If false, correct them.​

​(a) Plants consume oxygen for respiration.

State whether the following statements are true or false. If false, correct them.​

​(b) Plants produce oxygen during the process of making their own food.

State whether the following statements are true or false. If false, correct them.​

​(c) Air helps in the movements of sailing yachts and gliders but plays no role in the flight of birds and aeroplanes.

State whether the following statements are true or false. If false, correct them.​

​(d) Air does not occupy any space.

Mendel’s dihybrid phenotypic ratio is

Non-functional DNA present in the genome of an organism is called __________

Assertion: Chloroplasts contain chlorophyll which trap solar energy.

Reason: Plastids with green pigmentation help in storage of starch.

Which of the following external factors affect the rate of transpiration?

"If there were no algae, there would be no fish in the sea. " Comment .

Match the following organs/components with the elements which they help in excreting: $\begin{array}{cc}\text{Column I}& \text{Column II}\\ \text{i. Lungs}& \text{a. Low amount of nitrogenous waste}\\ \text{ii. Sebaceous secretion}& \text{b. Sodium chloride and lactic acid}\\ \text{iii. Sweat}& \text{c. Hydrocarbons, sterols and waxes}\\ \text{iv. Saliva}& \text{d. Carbon dioxide}\end{array}$

Antivenines for snake bites are produced inside the (in vivo) system of________.

Rearrange the following words and match them with their correct descriptions:
1. RAMSWIDF
2. GOOTESNER
3. HENIXOTYR

Description

(i) Hormone secreted in females at puberty.
(ii) Deficiency of growth hormone in childhood leads to this condition.
(iii) The hormone that regulates carbohydrate, protein and fat metabolism in the body.

In respiration, air passes through:

What nutrient is absorbed by lymph?

According to Darwin’s theory of evolution, differences between species may be the result of …………………

The skeleton of chondrichthyes fishes is made up of ___.

Sort the following respiratory pathway.

Why are some patients of diabetes treated by giving injections of insulin?

A)name the nitrogen fixing cells of nostoc and anabaena?(1mark)

One of the following organisms can live without oxygen of air. This organism is :
(a) Amoeba
(b) Yak
(c) Yeast
(d) Leech