JAWAHAR NAVODAYA VIDYALYA JOGNA LOHARDAGA (JH)
TEST
Class-11th
Sub-BIOLOGY
Here is a set of 33 multiple-choice
questions (MCQs) based on the Class 11th Biology topics you requested: Frog,
Cell: The Unit of Life, Cell Cycle, Biomolecules, Photosynthesis in Higher
Plants, and Respiration in Plants.
Frog (Anatomy and Physiology)
1. The heart of
a frog has how many chambers?
o
A) 2
o
B) 3
o
C) 4
o
D) 5
2. Which part of
the frog's brain is responsible for coordinating the movement?
o
A) Cerebrum
o
B) Cerebellum
o
C) Medulla oblongata
o
D) Optic lobes
3. Which of the
following is a function of the frog’s skin?
o
A) Respiration
o
B) Protection
o
C) Excretion
o
D) All of the above
4. Which of the
following is the respiratory organ in a frog during its aquatic life stage?
o
A) Lungs
o
B) Skin
o
C) Gills
o
D) Larynx
5. Which
structure in frogs is responsible for the release of urine?
o
A) Cloaca
o
B) Kidney
o
C) Urinary bladder
o
D) Ureter
6. The
reproductive organs of the frog are located in which region of the body?
o
A) Thoracic cavity
o
B) Abdominal cavity
o
C) Pelvic cavity
o D) Cranial cavity
Cell: The Unit of Life
7. Which of the
following organelles is involved in the synthesis of ribosomal RNA (rRNA)?
o
A) Nucleus
o
B) Endoplasmic reticulum
o
C) Nucleolus
o
D) Golgi apparatus
8. Which of the
following is the function of the Golgi apparatus?
o
A) Protein synthesis
o
B) Photosynthesis
o
C) Packaging and transport of proteins
o
D) Storage of genetic material
9. Which of the
following is found only in plant cells?
o
A) Ribosomes
o
B) Mitochondria
o
C) Chloroplast
o
D) Nucleus
10.
The fluid-filled cavity inside the cell is
called:
o
A) Cytoplasm
o
B) Nucleoplasm
o
C) Matrix
o
D) Cytosol
11.
Which of the following structures is absent in
prokaryotic cells?
o
A) Cell membrane
o
B) Ribosomes
o
C) Nucleus
o
D) Cytoplasm
12.
The process of osmosis refers to the movement of
water molecules from:
o
A) High to low concentration of solute
o
B) Low to high concentration of solute
o
C) High to low concentration of water
o D) Low to high concentration of water
Cell Cycle
13.
Which phase of the cell cycle is characterized by
DNA replication?
o
A) G1 phase
o
B) S phase
o
C) G2 phase
o
D) M phase
14.
During which phase of the cell cycle does the
nuclear membrane disappear?
o
A) Prophase
o
B) Metaphase
o
C) Anaphase
o
D) Telophase
15.
Which stage of mitosis involves the separation of
sister chromatids?
o
A) Prophase
o
B) Metaphase
o
C) Anaphase
o
D) Telophase
16.
In which phase do the chromosomes align at the
cell's equator?
o
A) Prophase
o
B) Metaphase
o
C) Anaphase
o
D) Telophase
17.
What is the primary function of the G1 phase in
the cell cycle?
o
A) DNA replication
o
B) Synthesis of proteins and organelles
o
C) Chromosome separation
o
D) Cytokinesis
18.
Cytokinesis is the process of:
o
A) Splitting of the nucleus
o
B) Splitting of the cytoplasm
o
C) DNA replication
o D) Formation of sister chromatids
Biomolecules
19.
Which of the following is NOT a function of
proteins?
o
A) Catalyzing chemical reactions
o
B) Transporting molecules across membranes
o
C) Storing genetic information
o
D) Providing structural support
20.
Which of the following is an example of a
monosaccharide?
o
A) Starch
o
B) Glycogen
o
C) Glucose
o
D) Sucrose
21.
Enzymes are a type of:
o
A) Carbohydrate
o
B) Lipid
o
C) Protein
o
D) Nucleic acid
22.
What is the building block of proteins?
o
A) Nucleotides
o
B) Fatty acids
o
C) Amino acids
o
D) Monosaccharides
23.
The function of ATP in cells is to:
o
A) Store genetic information
o
B) Store energy
o
C) Synthesize proteins
o
D) Transport oxygen
24.
Which of the following is the primary function of
lipids in the body?
o
A) Store genetic information
o
B) Provide insulation and energy
o
C) Carry out photosynthesis
o D) Synthesize proteins
Photosynthesis in Higher Plants
25.
The light-dependent reactions of photosynthesis
occur in the:
o
A) Cytoplasm
o
B) Thylakoid membranes
o
C) Stroma
o
D) Nucleus
26.
Which pigment is mainly responsible for the green
color in plants?
o
A) Carotenoids
o
B) Chlorophyll a
o
C) Chlorophyll b
o
D) Phycocyanin
27.
Which of the following is produced during the
light-dependent reactions of photosynthesis?
o
A) Oxygen
o
B) Glucose
o
C) NADPH and ATP
o
D) Carbon dioxide
28.
The Calvin cycle takes place in which part of the
chloroplast?
o
A) Stroma
o
B) Thylakoids
o
C) Cytoplasm
o
D) Nucleus
29.
In the Calvin cycle, the carbon atoms from carbon
dioxide are fixed into:
o
A) Glucose
o
B) Ribulose bisphosphate (RuBP)
o
C) Oxygen
o D) NADPH
Respiration in Plants
30.
The final electron acceptor in aerobic
respiration is:
o
A) Oxygen
o
B) Carbon dioxide
o
C) NAD+
o
D) Water
31ï‚· During anaerobic
respiration in plants, glucose is converted into:
- A) Lactic acid
- B) Ethanol and carbon dioxide
- C) Acetyl-CoA
- D) Pyruvate
32 Which of the following
stages of cellular respiration takes place in the cytoplasm?
- A) Glycolysis
- B) Krebs cycle
- C) Electron transport chain
- D) Oxidative phosphorylation
33 In which organelle does the
Krebs cycle take place?
- A) Nucleus
- B) Mitochondria
- C) Chloroplast
- D) Endoplasmic reticulum
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