NIOS| BIOLOGY (314)| QUESTION PAPER – (APRIL - 2023)| SENIOR SECONDARY| ENGLISH MEDIUM
BIOLOGY
(Theory)
[APRIL - 2023]
(314)
Time: 3 Hours
Maximum Marks: 80
Note:
(i) This
Question Paper consists of 30 questions.
(ii) All
questions are compulsory.
(iii) Marks for
each question have been indicated against it.
(iv) Each
question from Q. Nos. 1 to 8 has four alternatives (A), (B), (C) and (D), out
of which one is the most appropriate. Choose the correct answer among the four
alternatives and write it in your Answer-Book against the number of the
question. No separate time is allotted for attempting multiple choice
questions.
1. Select the correct sequence from the following options given below: 1
(A) Cell,
tissue, organ, organ system and organism
(B) Organism,
tissue, organ system, cell and organ
(C) Organism,
organ system, tissue, cells and organs
(D) Tissue,
cells, organism, organ and organ system
2. The association between maternal and foetal tissue is
called: 1
(A) endometrium
(B) placenta
(C) umbilical
chord
(D) wall of
uterus
3. Niche is understood as: 1
(A) Space
between two habitats
(B) Functional
role of species in a habitat
(C) Space
available on a tree
(D) Space shared
by two or more species
4. In the alcohol manufacturing industry the organisms
used is: 1
(A)
Saccharomyces
(B) Streptomyces
(C)
Chlamydomonas
(D) Leuconostoc
5. During asexual reproduction Rhizopus produces a large
number of: 1
(A) Spores
(B) Gametes
(C) Buds
(D) Fission-forms
6. The inflorescence of Mustard is the ideal example of
this type of inflorescence: 1
(A) Raceme
(C) Corymb
(B) Cymose
(D) Head
7. Desert plants conserve water by - 1
(A) developing
waxy coating on leaves.
(B) having more
stomata.
(C) having broad
leaves.
(D) having more
hydathodes.
8. The phyto-hormone used as weedicide is - 1
(A) Auxin
(B) Gibberellins
(C) 2, 4-D
(D) Ethylene
9. What is non-specific immune responses? Write any two
examples of it. 2
10. With the help of a schematic sequential flow chart show
the flow of information from genes to cytoplasm, during the process of protein
synthesis. 2
11. Label the parts a, b and c of the following curve. Name
the curve. What does it depict? 2
12. How is a nucleoside different from a nucleotide? 2
13. Draw a lined diagram of stomatal apparatus found in
Dicots and label its any four parts. 2
14. The plant Nepenthes lives in Nitrogen deficient soils.
How does it get Nitrogen, necessary for its living? 2
15. (a) Name two microbes which help plants in
getting nutrients. Explain how? 2
(b) Write any one
example.
16. What is the source of O2 released during photosynthesis?
What is the process called? Also write its equation. 2
17. What is cellular respiration? Write its products. Write
the name of organelle involved in this process. 2
18. Explain the process of Sex determination in honey bees.
2
19 Write the functions of following organs of male
reproductive system of man: 2
(a) Seminal
vesicles
(b) Prostate
glands
20. Write any two important characters of insect pollinated
flowers. Write one example of it. 2
21. Name of some plants are given in column-'A'. Select
appropriate type of roots from column-'B' and make the pair. 4
|
Column-A |
Column-B |
|
(a) Banyan (b) Money
plant (c) Sweet
potato (d) Orchids |
(i) Tuberous
root (ii)
Epiphytic root (iii)
Climbing root (iv) Prop
root (v) Napiform
root |
22. (a) Define ecotone. 4
(b) Why
grasslands and wetlands are considered as ecotone? Explain with the help of one
example of each.
23. (a) Draw a neat and labelled diagram of a DNA
molecule showing formation of new DNA strands. 4
(b) In which
direction does a new strand of DNA is formed during replication?
(c) What are
Okazaki fragments?
24. (a) Name any four types of immunoglobulins
produced in human body. 4
(b) What is
triple vaccine? At what stage is it administered in human beings? Name the
diseases it prevents.
25. Write any three differences between aerobic and
anaerobic respiration. Write one example for each type. 4
26. To show the internal structure of human heart draw a
lined diagram of it and label the following structures: 4
auricles,
ventricles, aorta, pulmonary artery, bicuspid valve and tri-cuspid valve.
27. (a) Define Mendel's law of independent
assortment. 6
(b) Explain it
with the help of Punnett square.
(c) Write the
phenotypic ratio of F2 generation.
28. (a) Write one character of following plant
tissues. Also mention their location. 6
(i) Parenchyma
(ii) Xylem
(iii)
Meristematic tissue
(b) Write name of
one organism having following structures / characters:
(i) Canal system
(ii) Tentacles
(iii) Absence of
digestive system
(iv) Suckers
(v) Jointed legs
(vi) Tube feet
29. (a) Name any two food items that could prevent
Vitamin-D deficiency in our body. 6
(b) Name the
disease caused due to deficiency of Vitamin-A and also write any one symptom of
it.
(c) Write any
three methods for conservation of soil.
30. (a) In photosynthesis, there are two reactions
light and dark reactions. Why they are called so? Explain. 6
(b) What are the
products obtained in each reaction?
(c) What are P680
and P700?
***
BIOLOGY SOLVED PAPERS PAGE LINK - Click here
NIOS PAGE LINK - CLICK HERE
Also Read: