Biology Mcqs XI [Unity of Life Mcqs] Online Test 2

Biology Mcqs XI [Unity of Life Mcqs] MCQS Online Test - 2

Biology Aptitude Test. 22 More Questions from Chapter # 02 Unity of Life Mcqs.

Q1.In carbohydrate, hydrogen & oxygen are mostly found in the ratio of:

• 1 : 2
• 2 : 1
• 3 : 1
• 1 : 3
• 1 : 1

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Q2. The General formula of monosaccharide is:

• C_2n H_nO_n
• C_2n H_n O_2n
• C₂ H_2n O_n
• C_n H_2n O
• C H_n O

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Q3. ‘Erythrulose' included in class:

• Triose
• Tetrose
• Pentose
• Hexose
• Heptose

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Q4. 'Glycerose' included ill class:

• Triose
• Tetrose
• Pentose
• Hexose
• Heptose

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Q5. Most abundant hexose found in nature is:

• Glucose
• Galactose
• Fructose
• Lactose
• None of them

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Q6. Glucose + Glucose → _________

• Maltose
• Lactose
• Sucrose
• Galactose
• Fructose

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Q7. Sugar found in honey is:

• fructose
• Galactose
• Glucose
• Lactose
• Fructose & Galactose

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Q8. Regarding Starch:

• It is most important food material of lower & higher animals.
• It is made up of glucose molecules joined only in straight chains.
• It is converted into simple sugar by condensation.
• It is insoluble in water.
• It is soluble in water.

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Q9. Regarding polysaccharides:

• Starch is most abundant in nature
• Cellulose is most abundant in nature
• Glycogen is most abundant in nature
• Starch and Cellulose found in same ratio
• Cellulose and Glycogen found in same ratio

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Q10. Major component of cell wall is:

• Starch
• Glycogen
• Cellulose
• Fructose
• Galactose

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Q11. Human diet use only about species of plants as food sources:

• 8
• 10
• 12
• 14
• 16

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Q12. Regarding Fats & Oils (Acylglycerol):

• Saturated Acylglycerol are liquid at ordinary temp.
• Saturated Acylglycerol are solid at ordinary temp.
• Unsaturated Acylglycerol are solid at ordinary temp.
• Saturated Acylglycerol are mostly found in plants
• Unsaturated Acylglycerol are found in animals

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Q13. Steroids consist of:

• Three 6-membered and one 5-membered carbon ring
• Five 6-membered and two 5-membered carbon ring
• Two 6-membered and five 5-membered carbon ring
• One 6-membered and three 5-membered carbon ring
• Four 6-membered and two 5-membered carbon ring

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Q14. Steroids & carotenoids are important classes of:

• Fats
• Oil
• Waxes
• Phospholipids
• Terpenoids

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Q15. Terpenoid have basic skeleton of __________

• C₅H₅
• C₆H₈
• C₅H₈
• C₈H₅
• C₆H₃

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Q16. Pigments producing compounds are:

• Waxes
• Oils
• Terpenes
• Carotenoids
• Steroids

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Q17. Nucleic acid was first isolated from:

• Red blood cells
• Nerve cells
• Pus cells
• Smooth muscles cells
• Endothelial cells

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Q18. Nucleotide is a molecule which consists of:

• Pentose sugar only
• Pentose sugar + Phosphoric acid
• Pentose sugar + nitrogenous base
• Pentose sugar + Phosphoric acid + nitrogenous base
• Nitrogenous bases only

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Q19. Nucleoside consists of:

• Penrose sugar only
• Pentose sugar + Phosphoric acid
• Pentose sugar + nitrogenous base
• Pentose sugar + Phosphoric acid + nitrogenous base
• Nitrogenous bases only

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Q20. Purines includes:

• Adenine
• Cytosine
• Thymine
• Uracil
• A & B are correct

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Q21. Pyrimidine includes:

• Adenine, Thymine, Cytosine
• Thymine, Cytosine, Uracil
• Adenine, Cytosine, Uracil
• Guanine, Thymine, Uracil
• Guanine, Cytosine, Uracil

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Q22. DNA contains:

• Adenine, Guanine, Cytosine only
• Adenine & Cytosine only
• Adenine, Guanine, Cytosine & thymine
• Adenine, Guanine, Cytosine & Uracil
• Guanine, Cytosine &. Uracil

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More 22 Questions : Unity of Life

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