Chapter 2. Physical Features Of India | Geography | Class 9th CBSE

Exercises |Chapter 2. Physical Features Of India | Geography | CBSE Class 9th

Question 1. Choose the right answer from the four alternatives given below:

(i) A landmass bounded by sea on three sides is referred to as
(a) Coast
(b) Island
(c) Peninsula
(d) none of the above

Answer : (c) Peninsula

Chapter 1 India : Size and Location | Geography | Class IX (9th) CBSE | Solved Exercises

Question 1. Choose the right answer from the four alternative given below:

(i) The Tropic of Cancer does not pass through.
(a) Rajasthan
(b) Chattishgarh
(c) Orrisa
(d) Tripura

Answer : (c) Orrisa

CBSE Class 10th Science | Chapter 9 : Heredity and Evolution | Solved Exercises

Solved Exercises | Chapter 9 : Heredity and Evolution | CBSE Class 10th Science

Question 1. A Mendelian experiment consisted of breeding tall pea plants bearing violet flowers with short pea plants bearing white flowers. The progeny all bore violet flowers, but almost half of them were short. This suggests that the genetic make-up of the tall parent can be depicted as
(a) TTWW
(b) TTww
(c) TtWW
(d) TtWw

Answer. (d) TtWw

CBSE Class 10th Science | Chapter 8 : How do Organisms Reproduce ? | Solved Exercises

Exercises | Chapter 8 : How do Organisms Reproduce? | Science |Class 10th | CBSE
Question 1. Asexual reproduction takes place through budding in
(a) amoeba.
(b) yeast.
(c) plasmodium.
(d) leishmania.

Answer. (b) yeast

CBSE Class 10th Science | Chapter 7 : Control and Coordination | Solved Exercises

 Question 1. Which of the following is a plant hormone?
(a) Insulin
(b) Thyroxin
(c) Oestrogen
(d) Cytokinin.

Answer. (d) Cytokinin

CBSE Class 10th Science | Chapter 6. Life Processes | Solved Exercises

Question 1. Why is diffusion insufficient to meet the oxygen requirements of multicellular organisms like humans?
Answer. In multi-cellular organisms like humans, various body parts have specialized in the functions they perform. All the cells with in different parts of human body need oxygen but all are not exposed to surrounding environment for intake of oxygen through diffusion. Therefore, process of diffusion is insufficient to meet the oxygen requirements of multi-cellular organisms like human