Free MCQs & Online Quiz Practice for Exams

Q: The middle lamella of the cell wall is composed of: (Entry test 2011)

A) Cellulose

B) Lignin

C) Pectin

D) Murein

Q: Anthocyanins are various types of colorful pigments present in the: (Entry test 2011)

A) Chloroplasts

B) Chromoplasts

C) Leucoplasts

D) Vacuoles

Q: The number of chromosomes in tobacco plants is: (Entry test 2011)

A) 45

B) 48

C) 16

D) 24

Q: All types of plastids are produced from: (Entry test 2011)

A) Chloroplastids

B) Proplastids

C) Chromoplastids

D) Leucoplastids

Q: A botanist who proposed the cell theory was: (Entry test 2012)

A) Schleiden

B) Schwann

C) Robert Hooke

D) Robert Brown

Q: Smooth endoplasmic reticulum makes: (Entry test 2012)

A) Enzymes

B) Proteins

C) Sugar

D) Lipids

Q: Number of chromosomes in tobacco is: (Entry test 2013)

A) 45

B) 48

C) 46

D) 47

Q: Phagocytosis, pinocytosis and autophagy are the functions of: (Entry test 2013)

A) Golgi apparatus

B) Lysosomes

C) Peroxisomes

D) Glyoxisomes

Q: Polysaccharide cellulose is the building material of: (Entry test 2013)

A) Primary cell wall

B) Secondary cell wall

C) Middle lamella

D) Plasma membrane

Q: Cell death due to tissue damage is called: (Entry test 2013)

A) Cancer

B) Apoptosis

C) Necrosis

D) Metastasis

Q: Nucleus was discovered by: (Entry test 2013)

A) Waldeyer

B) T.H. Morgan

C) Robert Brown

D) Kohler

Q: Potato plastids which store starch are known as: (Entry test 2013)

A) Paramylum

B) Amyoplasts

C) Leucoplasts

D) Glycoplasts

Q: A special protein carrier in plasma membrane is: (Entry test 2014)

A) Catalase

B) Permease

C) Lipase

D) Arginase

Q: The chloroplast size is about: (Entry test 2015)

A) 1–2 µm

B) 2–4 µm

C) 4–6 µm

D) 6–8 µm

Q: The tissue culture method occurs in the following sequence: (Entry test 2016)

A) Sterilization → media preparation → inoculation → callus development → plantlets

B) Media preparation → sterilization → inoculation → callus development → plantlets

C) Media preparation → inoculation → sterilization → callus development → plantlets

D) Inoculation → sterilization → media preparation → callus development → plantlets

Q: For callus formation, auxin and cytokinin are required in which ratio? (Entry test 2017)

A) Balanced

B) Only cytokinin required

C) Low auxin very high cytokinin

D) Only auxin

Q: The usual position of the two centrioles in relation to each other is at right angle in: (Entry test 2017)

A) Higher plant cells

B) Lower plant cells

C) Animal cells

D) Both (b) & (c)

Q: Which statement about thylakoids in eukaryotes is not correct? (Entry test 2017)

A) Thylakoids are assembled into stacks

B) Thylakoids exist as a maze of folded membranes

C) The space surrounding thylakoids is called stroma

D) Thylakoids contain chlorophyll

Q: Which of the following do not play a role in intracellular movement? (Entry test 2017)

A) Microfilaments and intermediate filaments

B) Microfilaments and microtubules

C) Intermediate filaments and microtubules

D) Only microfilaments

Q: In order to see various aspects of a specimen, a three-dimensional image of the object can be produced using: (Entry test 2017)

A) Compound microscope

B) Dark microscope

C) Transmission electron microscope

D) Scanning electron microscope