Chapter 5
Biology
+2 college entrance (after SEE) past exam questions
Past questions and answers
32 questions set from this chapter, 17 of them more than once. Most repeated first.
- Asked 2 times
- 2077 · Science Model · 1 mark
- 2079 · Science Model · 1 mark
DNA is found in ……..
(a) Plant cells
(b) Animal cells
(c) Only some plant cells
(d) Both plant and animal cells
Answer
(d) Both plant and animal cells
DNA is the genetic material of all living cells, found in the nucleus (and in mitochondria and chloroplasts) of both plant and animal cells.
Answer checked by Claude Sonnet · Oct 21, 2026
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- 2077 · Science Model · 1 mark
- 2079 · Science Model · 1 mark
Amoeba reproduces asexually by means of ……..
(a) Binary fission
(b) Multiple fission
(c) Sporulation
(d) Budding
Answer
(a) Binary fission
In favourable conditions the nucleus of an Amoeba divides by mitosis and the cytoplasm then splits into two equal daughter cells. Multiple fission occurs under unfavourable conditions (encystment).
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- Asked 2 times
- 2077 · Science Model · 1 mark
- 2079 · Science Model · 1 mark
Which of the following forms the male gametes in plants?
(a) Stamen
(b) Anther
(c) Pollen grain
(d) Androecium
Answer
(c) Pollen grain
The pollen grain (male gametophyte) produces the male gametes: its generative cell divides to form two sperm nuclei. The stamen, anther and androecium are the structures that produce and bear pollen grains.
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- Asked 2 times
- 2077 · Science Model · 1 mark
- 2079 · Science Model · 1 mark
Ginger is the modified ……
(a) Root
(b) Stem
(c) Leaf
(d) Fruit
Answer
(b) Stem
Ginger is an underground stem called a rhizome. It has nodes, internodes and scale leaves with buds, which distinguishes it from a root.
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- Asked 2 times
- 2077 · Science Model · 1 mark
- 2079 · Science Model · 1 mark
The increase in number of RBC causes ……..
(a) Anaemia
(b) Leukemia
(c) Leucopenia
(d) Polycythemia
Answer
(d) Polycythemia
Polycythemia is an abnormal increase in the number of RBCs. Anaemia is a decrease in RBCs or haemoglobin, leukemia is cancer of the WBCs, and leucopenia is a decrease in WBCs.
Answer checked by Claude Sonnet · Oct 21, 2026
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- Asked 2 times
- 2077 · Science Model · 1 mark
- 2079 · Science Model · 1 mark
Which one of the following is true fish?
(a) Cuttle fish
(b) Devil fish
(c) Silver fish
(d) Flying fish
Answer
(d) Flying fish
Flying fish is a true fish (class Pisces), having gills and fins. Cuttle fish and devil fish (octopus) are molluscs, and silver fish is an insect.
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- 2077 · Science Model · 1 mark
- 2079 · Science Model · 1 mark
"Inheritance of acquired characters" is the main theme of ……
(a) Lamarck Theory
(b) Darwin Theory
(c) Germplasm Theory
(d) Mutation Theory
Answer
(a) Lamarck Theory
Lamarck proposed that characters acquired by an organism during its lifetime through use and disuse are inherited by its offspring. Weismann's germplasm theory rejected this.
Answer checked by Claude Sonnet · Oct 21, 2026
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- 2077 · Science Model · 1 mark
- 2079 · Science Model · 1 mark
The number of bones present in Phalanges of the right arm of human is …….
(a) 12
(b) 14
(c) 13
(d) 11
Answer
(b) 14
Each hand has 14 phalanges: 2 in the thumb and 3 in each of the other four fingers ().
Answer checked by Claude Sonnet · Oct 21, 2026
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- Asked 2 times
- 2080 · Science Model · 1 mark
- 2081 · Science Model · 1 mark
How many types of gametes are formed by a heterozygous dihybrid?
(a) 2
(b) 4
(c) 6
(d) 8
Answer
(b) 4
A heterozygous dihybrid such as forms types of gametes: , , , .
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- 2080 · Science Model · 1 mark
- 2081 · Science Model · 1 mark
Mechanical tissue consisting of living cells is ………..
(a) Parenchyma
(b) Collenchyma
(c) Sclerenchyma
(d) Aerenchyma
Answer
(b) Collenchyma
Collenchyma is a living mechanical tissue with cell walls thickened by cellulose and pectin at the corners. Sclerenchyma is also mechanical but is dead; parenchyma is not mechanical.
Answer checked by Claude Sonnet · Oct 21, 2026
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- 2080 · Science Model · 1 mark
- 2081 · Science Model · 1 mark
The transfer of energy from organisms to organisms in a natural community establishes ……..
(a) Food chain
(b) Biological control
(c) Natural barriers
(d) All of these
Answer
(a) Food chain
Energy passes from producers to herbivores to carnivores in a sequence of feeding relationships, which is a food chain.
Answer checked by Claude Sonnet · Oct 21, 2026
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- 2080 · Science Model · 1 mark
- 2081 · Science Model · 1 mark
In Angiosperms, fruit is commonly formed from
(a) Ovary
(b) Ovule
(c) Stigma
(d) Thalamus
Answer
(a) Ovary
After fertilization the ovary develops into the fruit and the ovules become seeds.
Answer checked by Claude Sonnet · Oct 21, 2026
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- Asked 2 times
- 2080 · Science Model · 1 mark
- 2081 · Science Model · 1 mark
Archaeopteryx is a ………….
(a) Connecting link
(b) Missing link
(c) Both
(d) None of the above
Answer
(a) Connecting link
Archaeopteryx has reptilian features (teeth, long bony tail, clawed fingers) and bird features (feathers, wings), so it connects reptiles and birds.
Answer checked by Claude Sonnet · Oct 21, 2026
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- Asked 2 times
- 2080 · Science Model · 1 mark
- 2081 · Science Model · 1 mark
Study of lizards is ………..
(a) Saurology
(b) Ornithology
(c) Ophiology
(d) Embryology
Answer
(a) Saurology
Saurology is the study of lizards. Ornithology is the study of birds, ophiology of snakes and embryology of embryos.
Answer checked by Claude Sonnet · Oct 21, 2026
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- 2080 · Science Model · 1 mark
- 2081 · Science Model · 1 mark
The number of bones present in the cervical vertebrae of humans is ……….
(a) 5
(b) 6
(c) 7
(d) 8
Answer
(c) 7
Humans, like almost all mammals, have seven cervical vertebrae (C1 to C7), with the atlas and axis at the top.
Answer checked by Claude Sonnet · Oct 21, 2026
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- 2079 · Law Model · 1 mark
- 2080 · Law Model · 1 mark
Which of the following is an organ of respiratory system?
(a) Lungs
(b) Heart
(c) Kidney
(d) Spleen
Answer
(a) Lungs
The lungs are the main organ of the respiratory system, where oxygen enters and carbon dioxide leaves the blood. The heart, kidney and spleen belong to other systems.
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- 2079 · Law Model · 1 mark
- 2080 · Law Model · 1 mark
Y chromosome is found in
(a) male only
(b) female only
(c) both
(d) none
Answer
(a) male only
Males have the XY chromosome pair and females have XX, so the Y chromosome is found only in males.
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- 2080 · Science Model · 1 mark
Autosome is ………..
(a) Achromatic
(b) Sex chromosome
(c) Chromosome other than sex chromosome
(d) Not a chromosome
Similar questions: Autosome is ___ (2081 · Science Model)
Answer
(c) Chromosome other than sex chromosome
In humans, 22 pairs are autosomes and the remaining pair (XX or XY) is the sex chromosomes.
Answer checked by Claude Sonnet · Oct 21, 2026
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- 2080 · Science Model · 1 mark
Tissue present in intestinal mucosa is ………
(a) Squamous epithelium
(b) Columnar epithelium
(c) Cuboidal epithelium
(d) Transitional epithelium
Similar questions: Tissue present in intestinal mucosa is ___ (2081 · Science Model)
Answer
(b) Columnar epithelium
The intestinal mucosa is lined by simple columnar epithelium, which suits absorption and secretion; goblet cells and microvilli are present.
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- 2080 · Science Model · 1 mark
Nissl's granules are present in ……….
(a) Nervous tissue
(b) Connective tissue
(c) Muscular tissue
(d) Epithelial tissue
Similar questions: Nissil's granules is present in ___ (2079 · Science Model)
Answer
(a) Nervous tissue
Nissl granules are clumps of rough endoplasmic reticulum and ribosomes in the cell body and dendrites of neurons, where protein synthesis occurs.
Answer checked by Claude Sonnet · Oct 21, 2026
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- 2081 · Science Model · 1 mark
Autosome is ………..
(a) Acromatic
(b) Sex chromosome
(c) Chromosome other than sex chromosome
(d) Not a chromosome
Similar questions: Autosome is ___ (2080 · Science Model)
Answer
(c) Chromosome other than sex chromosome
Autosomes are all chromosomes except the sex chromosomes (X and Y). Humans have 22 pairs of autosomes and 1 pair of sex chromosomes.
Answer checked by Claude Sonnet · Oct 21, 2026
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- 2081 · Science Model · 1 mark
Tissue present in intestinal mucosa is ………
(a) Squamous epithelium
(b) Columnar epithelium
(c) Cuboidal epithelium
(d) Transistional epithelium
Similar questions: Tissue present in intestinal mucosa is ___ (2080 · Science Model)
Answer
(b) Columnar epithelium
The intestinal mucosa is lined by simple columnar epithelium, which suits absorption and secretion.
Answer checked by Claude Sonnet · Oct 21, 2026
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- 2079 · Science Model · 1 mark
Nissil's granules is present in ……….
(a) Nervous tissue
(b) Connective tissue
(c) Muscular tissue
(d) Epithelial tissue
Similar questions: Nissl's granules are present in ___ (2080 · Science Model)
Answer
(a) Nervous tissue
Nissl's granules (clumps of rough endoplasmic reticulum and ribosomes) are found in the cell body and dendrites of neurons.
Answer checked by Claude Sonnet · Oct 21, 2026
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- 2079 · Law Model · 1 mark
How many chambers are there in human heart?
(a) 1
(b) 2
(c) 3
(d) 4
Answer
(d) 4
The human heart has four chambers: two upper atria (left and right) and two lower ventricles (left and right).
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- 2079 · Law Model · 1 mark
Which gland is called mixed gland?
(a) Adrenal
(b) Pancreas
(c) Gonad
(d) none
Answer
(b) Pancreas
The pancreas is both an exocrine gland (secretes digestive enzymes through a duct) and an endocrine gland (secretes insulin and glucagon into the blood), so it is a mixed gland.
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- 2079 · Law Model · 1 mark
Which of the following has cell wall?
(a) Bacterial cell
(b) Fungal cell
(c) Plant cell
(d) all
Answer
(d) all
Bacterial cells (peptidoglycan), fungal cells (chitin) and plant cells (cellulose) all have a cell wall; only animal cells lack one.
Answer checked by Claude Sonnet · Oct 21, 2026
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- 2081 · Science Model · 1 mark
Nissil's granules is present in ……….
(a) Nervous tissue
(b) Connective tissue
(c) Muscular tissue
(d) Epithelial tissue Choose the right option below:
Answer
(a) Nervous tissue
Nissl granules are clumps of rough endoplasmic reticulum and ribosomes in the cell body (cyton) of neurons, so they occur in nervous tissue.
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- 2079 · Science Model · 1 mark
Tuber of potato is a modification of ……..
(a) Root
(b) Stem
(c) Fruit
(d) Seed
Answer
(b) Stem
The potato tuber is a swollen underground stem; the "eyes" are nodes bearing buds, which shows it is stem and not root.
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- 2080 · Law Model · 1 mark
Which gland is called the master gland of endocrine system?
(a) Adrenal
(b) Pancreas
(c) Gonad
(d) Pituitary
Answer
(d) Pituitary
The pituitary gland is called the master gland because its hormones control the activity of other endocrine glands such as the thyroid, adrenals and gonads.
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- 2080 · Law Model · 1 mark
Which of the following is absent in animal cell?
(a) Mitochondria
(b) Cell wall
(c) Nucleus
(d) Vacuole
Answer
(b) Cell wall
Animal cells have no cell wall; it is found in plant cells (cellulose), fungi and bacteria. Mitochondria, nucleus and (small) vacuoles are present in animal cells.
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- 2080 · Law Model · 1 mark
DNA is found in
(a) Plant cells
(b) Animal cells
(c) both
(d) none
Answer
(c) both
DNA is the genetic material of all living cells, so it is found in both plant and animal cells.
Answer checked by Claude Sonnet · Oct 21, 2026
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- 2080 · Law Model · 1 mark
Which of the following virus may cause cancer?
(a) Rhinovirus
(b) Human papilloma virus
(c) corona virus
(d) none
Answer
(b) Human papilloma virus
Persistent infection with certain strains of HPV is the main cause of cervical cancer. Rhinovirus and coronavirus cause respiratory infections.
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Questions from CCRC Entrance Model Question 2077 (Science) (College model paper for the +2 Science entrance, 100 MCQs, 2077 BS; page images posted on a student blog), CCRC Entrance Examination Model Questions 2080 (Science) (College model paper for the +2 Science entrance, 100 MCQs; linked from the CCRC model questions page (ccrc.edu.np/modelquestions/) and posted as 2080 images on a student blog), CCRC Entrance Examination Model Questions 2080 (Management) (College model paper for the +2 Management entrance, 100 MCQs, 2080 BS), CCRC Entrance Examination Model Questions (Management), current model on the admission page (Management model paper linked from ccrc.edu.np/modelquestions/ for the 2083/84 admission; same questions as the 2080 paper), CCRC Entrance Model Question 2079 (Management/Humanities) (College model paper for the +2 Management/Humanities entrance, 2079 BS), CCRC Model Question for Grade XI Admission (+2 Law) (College model paper for the +2 Law entrance (language test and 50 MCQs), posted 2022 (2079 BS)), CCRC Entrance Examination Model Questions 2081 (Science) (College model paper for the +2 Science entrance, 100 MCQs, posted June 2024 (2081 BS)), CCRC Entrance Examination Model Questions 2081 (Management) (College model paper for the +2 Management entrance, 100 MCQs, posted June 2024 (2081 BS)), CCRC Entrance Model Question 2079 (Science) (College model paper for the +2 Science entrance, 100 MCQs, 2079 BS), CCRC Entrance Model Question 2077 (Management) (College model paper for the +2 Management entrance, 75 MCQs, 2077 BS) and CCRC Entrance Examination Model Questions 2080 (Law) (College model paper for the +2 Law entrance (language test and 50 MCQs), 2080 BS). Answers are written for this site; check them against your class notes.