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Q: The growth and reproduction of a eukaryotic cell is dependent upon its: (Entry test 2005)

A) Cytoplasm

B) Nucleus

C) Vacuoles

D) Nuclear pores

Answer: B. Nucleus

Q: Its membranes are the site where sunlight energy is trapped and where food is formed refers to: (Entry test 2005)

A) Chloroplast

B) Leucoplast

C) Chromoplast

D) Cytosol

Answer: A. Chloroplast

Q: The rough endoplasmic reticulum is involved in the synthesis of: (Entry test 2005)

A) Protein

B) Carbohydrate

C) Phospholipids

D) Terpenoids

Answer: A. Protein

Q: In the following pair, one organelle is involved in the formation of the other except: (Entry test 2007)

A) Golgi bodies–lysosomes

B) Nucleus–ribosomes

C) Endoplasmic reticulum–peroxisomes

D) E.R.–Golgi bodies

Answer: C. Endoplasmic reticulum–peroxisomes

Q: Which one of the following is found in plant cell only? (Entry test 2007)

A) Peroxisomes

B) Lysosomes

C) Glyoxisomes

D) Ribosomes

Answer: C. Glyoxisomes

Q: A cell fails to detoxify the waste substances produced in it because it does not possess enough: (Entry test 2007)

A) Lysosomes

B) Ribosomes

C) Rough E.R.

D) Smooth E.R.

Answer: A. Lysosomes

Q: The attachment of two subunits of ribosomes along mRNA is controlled by: (Entry test 2009)

A) Sodium ions

B) Calcium ions

C) Potassium ions

D) Magnesium ions

Answer: D. Magnesium ions

Q: Proper arrangement of layers in plants cell wall from inside to outward is: (Entry test 2009)

A) Secondary wall → Primary wall → Middle lamella

B) Primary wall → Secondary wall → Middle lamella

C) Middle lamella → Primary wall → Secondary wall

D) Secondary wall → Middle lamella → Primary wall

Answer: B. Primary wall → Secondary wall → Middle lamella

Q: Breaking down of hydrogen peroxide into oxygen and water is carried out by: (Entry test 2009)

A) Peroxisomes

B) Glyoxisomes

C) Lysosomes

D) Mitochondria

Answer: A. Peroxisomes

Q: The size of ribosomes in a prokaryotic cell is: (Entry test 2009)

A) 40S

B) 60S

C) 70S

D) 80S

Answer: C. 70S

Q: All cell membranes are composed of: (Entry test 2010)

A) Proteins

B) Lipids

C) Lipoproteins

D) Cellulose

Answer: C. Lipoproteins

Q: Fatty acid is converted into carbohydrates by: (Entry test 2010)

A) Glyoxisomes

B) Bile juice

C) Pancreatic juice

D) Lysosomes

Answer: A. Glyoxisomes

Q: During inspiration the: (Entry test 2005)

A) Chest wall is raised and diaphragm is lowered

B) Chest wall is raised and diaphragm is also raised

C) Chest wall is lowered and diaphragm is raised

D) Chest wall is lowered and diaphragm is also raised

Answer: A. Chest wall is raised and diaphragm is lowered

Q: The cartilage present in trachea is: (Entry test 2007)

A) Fibrous

B) Hyaline

C) Elastic

D) Calcified

Answer: B. Hyaline

Q: Alveoli are absent in: (Entry test 2009)

A) Fishes

B) Amphibians

C) Birds

D) Mammals

Answer: C. Birds

Q: A coiled hemoglobin is called: (Entry test 2009)

A) Haemocyanin

B) Hemoprotein

C) Myoglobin

D) Hemorrhoids

Answer: C. Myoglobin

Q: The center of porphyrin in the head region of hemoglobin is occupied by: (Entry test 2010)

A) Iron

B) Magnesium

C) Sodium

D) Potassium

Answer: A. Iron

Q: Rhythmicity of respiration is maintained by: (Entry test 2010)

A) Cardiac center

B) Pons

C) Ventilation center

D) Carotid sinus

Answer: B. Pons

Q: Smaller the animal: (Entry test 2010)

A) More the rate of respiration

B) Less the rate of respiration

C) Rate of respiration has nothing to do with size of animal

D) None of these

Answer: A. More the rate of respiration

Q: The rate of breathing of a child of 5 years is about: (Entry test 2011)

A) 44 times/minute

B) 40 times/minute

C) 25 times/minute

D) 20 times/minute

Answer: C. 25 times/minute