Olete.in – MCQs, Mock Tests & Government Job Prep | Botany Botany MCQS[NEET-2021 to 2022]-Cells

cell was discovered by

1. Swanson
2. Robert brown
3. Robert Hooke
4. Leeuwenhoek

✅ Correct Answer: 3

The organelle that contains the genetic material is

1. RNA
2. Nucleus
3. Chloroplast
4. Mitochondria

✅ Correct Answer: 2

Protoplasm found inside the nucleus is called

1. cytoplasm
2. nucleocytoplasm
3. nucleoplasm
4. none

✅ Correct Answer: 3

Which of the following statements are correct for ER? (a) Smooth Endoplasmic Reticulum makes starch. (b) It is also called the RNA factory of the cell. (c) It processes carbohydrates. (d) It modifies chemicals that are toxic to the cell

1. A,C,D
2. C,D
3. A and B
4. All

✅ Correct Answer: 2

Prokaryotic genetic system has

1. DNA and histone protien
2. Histone protien only
3. DNA only
4. None

✅ Correct Answer: 3

Eukaryotes cells -

1. are found in humans and multicellular organisms
2. do not have ER
3. both a and b
4. None

✅ Correct Answer: 3

nucleoid consist of

1. DNA and histone protien
2. A single stranded DNA
3. A single double stranded DNA
4. RNA and histone

✅ Correct Answer: 3

The organelles digests the old organelles that are no longer useful to the cells are

1. Mitochondia
2. ER
3. Ribosome
4. Lysosomes

✅ Correct Answer: 4

Plasmodesmata are located in narrow areas of

1. Cytoplasm
2. nucleocytoplasm
3. Cell wall
4. Nucleus membrane

✅ Correct Answer: 3

Cell sap is

1. living content of cell
2. non living content of cell
3. living content of vacuole
4. non living content of vacuole

✅ Correct Answer: 4

prokaryotic cells lack

1. cytoplasm
2. mitochondria
3. chloroplast
4. both B and D

✅ Correct Answer: 4

Which of the following is an example of cell devoid of nuclear membrane and mitochondria is

1. Protist
2. Sperm
3. Ovum
4. Bacterial cell

✅ Correct Answer: 4

Lampbrush chromosomes are seen in

1. mitotic prophase
2. meotic prophase
3. meotic metaphase
4. mitotic metaphase

✅ Correct Answer: 2

Which one of the following is a part of the endomembrane system ?

1. peroxisome
2. chloroplast
3. ER
4. golgi bodies

✅ Correct Answer: 1

Animal cell different from plant cells because of

1. plastid
2. golgy body
3. vacuole
4. centrosome

✅ Correct Answer: 4

Carbohydrates present in the plasmalemma are in the form of

1. cellulose
2. hemicellulose
3. glycolipids
4. starch

✅ Correct Answer: 3

Cell organelles are found in

1. Chloroplast
2. protoplast
3. cell membrane
4. cytoplasm

✅ Correct Answer: 4

Cellular totipotency means

1. Capability of a plant cell to form complete plant
2. Capability of a plant cell to form complete flower
3. Formation of new plant
4. None

✅ Correct Answer: 1

Distinction of prokaryotes and eukaryotes is based on

1. mitochondria
2. chloroplast
3. nucleus
4. plasma membrane

✅ Correct Answer: 3

What is the site for formation of glycoproteins and glycolipids

1. Golgi body
2. Mitochondria
3. Lysosome
4. Cytoplasm

✅ Correct Answer: 1

In a Golgi complex functional unit is

1. cisternae
2. cristae
3. Thylakoids
4. grana

✅ Correct Answer: 1

In eubacteria a cellular component that resembles eukaryotic cell is

1. plasma membrane
2. mitochondria
3. plasma membrane
4. nucleus

✅ Correct Answer: 3

Intact chloroplast from green leaves can be isolated by

1. aceton and sucrose solution
2. methanol
3. ethanol
4. sucrose solution only

✅ Correct Answer: 4

what is the exception of cell theory?

1. Bacteria
2. Human cells
3. Algae
4. none

✅ Correct Answer: 4

Intracellular compartments do not occur in

1. Prokaryotes
2. Eukaryotes
3. lower plants
4. All

✅ Correct Answer: 1

Longest cell in human body is

1. Liver cells
2. Lungs cells
3. Reproductive cells
4. Nerve cells

✅ Correct Answer: 4

Membrane-bound organelles are absent in

1. Plasmodium
2. Streptococcus
3. A and B
4. None

✅ Correct Answer: 2

Mitochondria are not found in

1. Human cells
2. Algae
3. Bacteria
4. Plant cells

✅ Correct Answer: 3

The size of molecules which can pass through the plasma membrane is

1. 8 - 9 Ãƒâ€¦
2. 8 - 10 Ãƒâ€¦
3. 8 - 11 Ãƒâ€¦
4. 8 - 12 Ãƒâ€¦

✅ Correct Answer: 2

Nuclear matter without membrane found in

1. Bacteria and cyno bacteria
2. Bacteria and green algae
3. Cyno bacteria only
4. more than one option is correct

✅ Correct Answer: 4

Golgi apparatus

1. is found in Eukaryotes and bacteria
2. is found in bacteria and plants
3. is found in virus and Bacteria
4. none of the above

✅ Correct Answer: 4

Prokaryotes is characterized by

1. lack of membrane bound orgenelles
2. absence of nuclear membrane and nucleolus
3. presence of mitochondria
4. more than one option is correct

✅ Correct Answer: 4

Smaller cells is

1. have larger nucleus
2. have smallest nucleus
3. less active metabolically
4. more less metabolically

✅ Correct Answer: 4

The cytoplasmic connections from cell to cell are known as

1. middle lamella
2. golgy apparatus
3. cell membrane
4. plasmodesmata

✅ Correct Answer: 4

Various types of activity of cell occur in

1. Cell membrane
2. cytoplasm
3. Ribosomes
4. Mitochondria

✅ Correct Answer: 2

The difference in plant and animal cell is

1. plant cells have larger vacuoles
2. plant cell have small vacuoles
3. animal cell contain chloroplast
4. more than one option is correct

✅ Correct Answer: 1

The plasma membrane made up of

1. proteins embedded in a glucose
2. proteins embedded in a phospholipid bilayer
3. Phospholipids embedded in a protein bilayer
4. Proteins embedded in a carbohydrate bilayer

✅ Correct Answer: 2

The S in ribosome unit indicates the

1. salts percent in cytoplasm
2. sedimentation coefficient
3. size and shape of ribosome
4. shape of ribosome only

✅ Correct Answer: 2

Tonoplast is a membrane of

1. Mitochondria
2. Chloroplast and Mitochondria
3. ER and Vacuole
4. None

✅ Correct Answer: 4

What is a genophore?

1. DNA and histone protien in prokaryotes
2. RNA in prokaryotes
3. DNA and RNA in prokaryotes
4. DNA in prokaryotes

✅ Correct Answer: 3

When a ripe tomato is pricked with a needle a watery fluid comes out. This fluid is stored in

1. Vacuole
2. cytoplasm
3. protoplasm
4. lysosome

✅ Correct Answer: 1

Which one of the following structures between two adjacent cells is an effective transport pathway?

1. Plastoquinones
2. Ribosomes
3. Plasmodesmata
4. Plasmalemma

✅ Correct Answer: 3

The main function of centrosome is

1. protein synthesis
2. lipid synthesis
3. formation of spindle fibres
4. None

✅ Correct Answer: 3

The shape of chloroplast in higher plants is

1. Ribbon shaped
2. Cup shaped
3. Discoidal shaped
4. Both A and C

✅ Correct Answer: 3

SER is the site of

1. Protien synthesis
2. Lipid synthesis
3. Carbohydrates synthesis
4. more than one option is correct

✅ Correct Answer: 2

Plant cell composed of

1. Starch
2. lipids
3. protiens
4. cellulose

✅ Correct Answer: 4

Microfilaments composed of

1. tubulin
2. actin
3. chitin
4. myosin

✅ Correct Answer: 2

non membranous organelle is

1. Chloroplast
2. Mitochondria
3. ER
4. None

✅ Correct Answer: 4

Semi autonomous organelle in cell is

1. Tonoplast
2. Ribosome
3. ER
4. Chloroplast

✅ Correct Answer: 4

Assembly of two subunits 40 S and 60 S of the ribosome is

1. 120 S unit
2. 100 S unit
3. 80 S unit
4. 90 S unit

✅ Correct Answer: 3