Chemistry Class 10th
281. Which of the following is not a Fat Soluble Vitamin:
A) A
B) D
C) C
D) K
282. Which of the following Is a water soluble Vitamin:
A) A
B) D
C) C
D) K
283. Deficency of which of the following leads to night blindness:
A) Vit A
B) Vit B
C) Vit D
D) Vit K
284. Vitamin E is important for:
A) Bones and Teeth
B) Antioxidant
C) Blood Vessels
D) Clotting of Blood
285. Which of the following is a dissacride:
A) Glucose
B) Fructose
C) Sucrose
D) Starch
286. A large number of amino acids polymerizes into:
A) Vitamins
B) Carbohydrates
C) Proteins
D) Lipids
287. Glycogen is an example of :
A) Fats
B) Nucleic Acids
C) Carbohydrates
D) Proteins
288. Deficiency of Vitamin A causes:
A) Scurvy
B) Rickets
C) Night Blindness
D) Aging
289. The compound that is found in every living thing and serves the purpose of information.
A) Protein
B) Lipids
C) DNA
D) Glucose
290. Triglycerides are building blocks of:
A) Proteins
B) Amino Acids
C) Lipid
D) Vitamins
291. Sugars are poly hydroxyl derivatives of :
A) Alkyl Halides
B) Aldehydes
C) Ketone
D) Aldehyde and Ketones
292. Peptide linkage is present in:
A) Carbohydrates
B) Lipids
C) Proteins
D) Vitamins
293. Plants convert glucose into:
A) Amino Acids
B) Lipids
C) Proteins
D) Starch
294. All are present in DNA except:
A) Deoxyribose Sugar
B) Ribose Sugar
C) Nitrogenous Base
D) Phosphate Unit
295. About ______ years ago, earth was a hot mass that could not sustain life.
A) 20 Million
B) 1 Billion
C) 3 Billion
D) 4.5 Billion
296. The Earth consists of ______ natural systems.
A) One
B) Two
C) Three
D) Four
297. A thick blanket of air and gases that goes around the earth:
A) Geosphere
B)Hydrosphere
C) Atmosphere
D) Biosphere
298. The Major Components of Atmosphere are:
A) N2
B) O2
C) CO2
D) NO2 and O2
299. Increase in altitude causes ______ in atmosphere.
A) Increase
B) Decrease
C) Remains Same
D) Varies from place to place
300. The mass of _______ is 4.5x 10 15 Metric Tonnes
A) Geosphere
B) Hydrosphere
C) Atmosphere
D) Biosphere