CBSE Class 10 - Biology - Heredity and Evolution (MCQs)

Heredity and Evolution

(MCQs)

Q1: Which type of variation is inherited?

(a) Somatic Variation
(b) Germinal Variation
(c) Both Somatic and Germinal
(d) None of these


Q2: The organs which perform different functions but have the same basic structure are called:

(a) Vestigial organ
(b) Analogous organs
(c) Homologous organs
(d) Analytic organs

CBSE Class 9 - History - CH8 - Clothing: A Social History

Clothing: A Social History

Indian Woman
credits:classroomclipart

MCQs

Q1: In medieval France, the royalty could wear expensive clothes like:

(a) silk
(b) ermine
(c) velvet
(d) all of these

Q2: During French revolution, which colours became popular in French clothing:

(a) Red and Black
(b) Blue, White and Red
(c) Black
(d) Red, Yellow and Blue

Q3: Sumptuary Laws in medieval Europe were meant

(a) to allow hunting game in certain areas
(b) to protect home production against imports
(c) to define what the rich and poor could wear
(d) All of these

CBSE Class 7 - Science - Ch 17 - Forests: Our Lifeline

Forests: Our Lifeline

NCERT Chapter Solution

Q1: Explain how animals dwelling in the forest help it grow and regenerate.

Answer: Various types of animals (herbivores, carnivores, omnivores) live in forests and contribute to food chain. Following animal activities show how animals help forest grow and regenerate.

1. Animals help in dispersal of seeds and pollination of flowers.
2. Animals excreta and their dead bodies when mixed win soil act as manure for the plants.
3. Micro organisms convert dead plants and leaves into humus which is rich in nutrients. Humus in soil provide necessary minerals for plant growth.

Q2:  Explain how forests prevent floods.

CBSE Class 11- PSA Study Material by Delhi NCT Govt. Teachers

Class 11 -PSA Sample Paper

Following is study material for PSA test, compiled by Delhi NCR Govt. teachers. You may download 280 page pdf from this link.

CBSE Class 9 - PSA Sample Papers by Delhi Govt. Teachers

Class 9 -PSA Sample Paper

Following is study material for PSA test, compiled by Delhi NCR Govt. teachers. You may download 147 page pdf from this link.

CBSE Class9 - English Comm. Workbook - Integrative Grammar Practice - 7

INTEGRATIVE GRAMMAR PRACTICE 7

Q1: Edit the following magazine article about youth in sport.

The Great National Sports Talent Search (a) consist of workshops and tournaments arranged in (b)any different parts of (c) a country. The talent scouts' aim (d) are to look out for local talent in the age range of eight to eighteen years. Thus, it would be far (e) wise if young sportswomen and men (f)were help so that they have plenty of time to develop their talent. Sports academies normally only (g) having students whose talents (h) is already recognized. If India does not invest in sports it can not hope to perform well at the International level.

Answer:

(a) (i) consisted
     (ii) consists ✓
    (iii) is consisted
    (iv) has consisted

(b) (i) much
     (ii) few
     (iii) little
     (iv) many ✓

(c) (i) the ✓
     (ii) these
    (iii) an
    (iv) some

CBSE Class 9 - Science - CH 12 Sound (MCQs)

SOUND

MCQs

Q1: Which of the following waves do not require any kind of medium to propagate?

(a) Sound
(b) Earthquake waves
(c) Light waves
(d) Water surface waves

Q2: Waves produced on the surface of water are:

(a) Longitudinal only
(b) Transverse waves only
(c) Electromagnetic Waves
(d) Both Longitudinal and Transversal