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Worksheets

Zoology and Botany

Total questions: 20

Worksheet time: 3mins

Name
Class
Date
1.

Which of the following organelles is responsible for energy production in both plant and animal cells?

a)

Nucleus

b)

Mitochondria

c)

Ribosomes

d)

Chloroplasts

2.

Which structure is found only in plant cells and is responsible for photosynthesis?

a)

Mitochondria

b)

Ribosomes

c)

Chloroplasts

d)

Lysosomes

3.

The plasma membrane is primarily composed of which macromolecule?

a)

Carbohydrates

b)

Proteins

c)

Lipids

d)

Nucleic Acids

4.

Which organelle is responsible for packaging and modifying proteins for transport?

a)

Golgi Apparatus

b)

Endoplasmic Reticulum

c)

Lysosome

d)

Nucleus

5.

Which of the following is present in plant cells but absent in animal cells?

a)

Cell Wall

b)

Plasma Membrane

c)

Mitochondria

d)

Endoplasmic Reticulum

6.

In which type of cell would you find large central vacuoles?

a)

Animal Cells

b)

Plant Cells

c)
  • Both animal and plant cells

d)
  • Neither animal nor plant cells

7.

Animal cells contain centrosomes, which are involved in:

a)

Photosynthesis

b)

Protein synthesis

c)

Cell division

d)

Nutrient storage

8.

Which stage of mitosis is characterized by the alignment of chromosomes at the cell's equatorial plane?

a)

Prophase

b)

Metaphase

c)

Anaphase

d)

Telophase

9.

Cytokinesis in plant cells involves the formation of:

a)

Cleavage furrow

b)

Cell plate

c)

Mitotic spindle

d)

Chromatin

10.

In animal cells, the cleavage furrow is formed during:

a)

Prophase

b)

Metaphase

c)

Anaphase

d)

Telophase

11.

During which phase of the cell cycle does DNA replication occur?

a)

G1 Phase

b)

S Phase

c)

G2 Phase

d)

M Phase

12.

The rough endoplasmic reticulum is termed 'rough' due to the presence of:

a)

Ribosomes

b)

Lipids

c)

Carbohydrates

d)

Enzymes

13.

Which component provides rigidity to the plant cell and is mainly composed of cellulose?

a)

Plasma membrane

b)

Cytoskeleton

c)

Cell wall

d)

Vacuole

14.

The primary purpose of meiosis in sexually reproducing organisms is to:

a)

Produce genetically identical cells

b)

Reduce the chromosome number by half

c)

Ensure identical DNA in all cells

d)

Repair damaged DNA

15.

Which phase of mitosis is characterized by the separation of sister chromatids?

a)

Prophase

b)

Metaphase

c)

Anaphase

d)

Telophase

16.

What is the end result of mitosis and cytokinesis in a diploid cell?

a)

Four genetically different haploid cells

b)

Two genetically identical diploid cells

c)

Two genetically different diploid cells

d)

Four genetically identical diploid cells

17.

Which of the following is not a function of the plasma membrane?

a)

Regulating the entry and exit of substances

b)

Providing structural support

c)

Facilitating communication between cells

d)

Synthesizing proteins

18.

Which component of the cytoskeleton is primarily involved in cell division and the formation of the mitotic spindle?

a)

Microfilaments

b)

Microtubules

c)

Intermediate filaments

d)

Actin filaments

19.

Which organelle is responsible for the degradation of worn-out cellular components?

a)

Lysosome

b)

Peroxisome

c)

Golgi apparatus

d)

Mitochondrion

20.

In plant cells, the plasmodesmata are:

a)

Channels that connect the cytoplasm of adjacent cells

b)

Involved in the transport of lipids

c)

Specialized vacuoles

d)

Involved in protein synthesis