1.
The 'xylem' in plants is responsible for–
2.
Pigment containing and light reflecting cells are :
3.
Which cell organ is referred to as suicide bags?
4.
Which of the following substances is NOT a protein?
6.
How does the plant cell differ from the animal cell?
7.
Assertion (A): Cellulose is used in making shatter proof glass. Reason (R) : Polysaccharides are not soluble in water. Code:
8.
The branch of science in which human species is improved by genetic engineering, is known as–
9.
Pungency in chillies is due to the presence of:
10.
Which of the following is responsible for the red colour of tomato?
11.
The pigment that protects plants from damage by UV radiation is
12.
Silk fibres, hair, feathers, nails and claws are formed of:
13.
Prokaryotic cells does not contain –
14.
Choose wrong statement regarding proteins.
15.
Fat present below the skin surface in our body, acts as a barrier against :
16.
The saccharide present in milk is–
18.
All known enzyme are in nature of:
19.
There is no pain when we cut our nails, because-
21.
The Xylem in plants is responsible for transporting–
22.
The study of bones is done under the branch of science called:
23.
Cow milk is yellowish in colour due to-
24.
Which of the following statements is not correct?
26.
Which is NOT the characteristic of an enzyme?
27.
Requirement of protein in young and old persons-
29.
Which of the following enzyme found in tears destroys bacteria?
30.
Study of Zoology deals with–
31.
Which of the following statement/s is /are correct ? a. Enzymes are organic catalyst that accelerate biochemical reaction. b. Enzymes are made up from proteins. c. Enzyme activity is not depends upon temperature. d. Amylase an enzyme that act on starch.
32.
Which of the living tissues acts as the carrier of organic nutrients in higher plants ?
33.
Which vegetation has the maximum amount of protein?
34.
The sweetest sugar among the following is
35.
Which one of the following compounds is not stored in human body?
36.
What is Cas protein that is often mentioned in news?
37.
Maximum weight of our body is made up of:
38.
Cause of Red colour in Tomato is :
39.
The ultimate substance to which the carbohydrates are degraded, is
41.
All enzymes are made up of-
43.
The powerhouse of cell is
44.
Alfa-keratin is protein present in-
45.
Plants are green because of the presence of a pigment called
46.
The most abundant element found in the human body is–
47.
The enzyme involved in unwinding of DNA is
48.
Sweetest sugar among the following is :
49.
A branch of science that encompasses the description, identification, nomenclature, and classification of organisms is called -
50.
Which of the following organelles is the site of protein synthesis in a cell?
51.
Energy is stored in liver and muscles in the form of:
52.
Milk protein digestive enzyme is–
53.
_______ are precursors of enzymes. a. Zymogens b. Ribosomes c. RNA d. Protein Which of the option given above is/are correct ?