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GUESS
PAPER (BOTANY PAPER-I)
SCIENCE PRE-MEDICAL GROUP
TIME: 2 HOURS
MAX. MARKS: 45
SECTION
"A" (MULTIPLE CHOICE QUESTIONS)
(09 MARKS)
NOTE
Attempt all questions from this Section.
Q.1 Choose the correct answer for each
from the given options.
i. In plasma-membrane lipid molecules
a) form a single layer
b) form double layers
c) float in protein melecules
d) are absent
ii. Hydrothodes are used for
a) exudation of water
b) transpiration
c) absorption of water
d) protection
iii. The cause of Hepatitis is
a) Bacteria
b) virus
c) Protozoan
d) Nematode
iv. The most common method of bacterial
reproduction is
a) Endospore formation
b) Binary Fission
c) Transduction
d) Conjugation
v. Mushroom belongs to
a) Zygomycota
b) Ascomycota
c) Basidiomycota
d) Deuteromycota
vi. The end product of respiration is
a) Carbon Dioxide
b) Water
c) Oxygen
d) Both carbon dioxide and water
vii. The food reserve of plants is
a) Glucose
b) Fructose
c) Starch
d) Sucrose
viii. Energy is required for
a) Active transport
b) Diffusion
c) Facilated transport
d) Imbibition
ix. Pollen grains are produced in
a) Stigma
b) Anther
c) Pollen tube
d) Ovary
x. Which one of the following is NOT found in a bacterial
cell?
a) Cell membrane
b) Ribosome
c) True Nucleus
d) Cell wall
xi. Saccharum officinarum i.e. sugarcane belongs to the
family:
a) Rosaceae
b) Solanaceae
c) Mimosaceae
d) Poaceae
xii. The protoplasm coagulates at
a) 45oC
b) 50oC
c) 55oC
d) 60oC
xiii. This is a fresh water algae
a) Ulva
b) Chlorella
c) Mucor
d) None of them
xiv. Oxygen produced during photosynthesis comes from
a) Carbon dioxide
b) Water
c) Soil
d) Both carbon dioxide and water
xv. Production of two different types of gametes by a plant
is called
a) Homogamy
b) Polygamy
c) Heterogamy
d) heterozygous
xvi. Viscum is
a) Total stem parasite
b) Total root parasite
c) Partial stem parasite
d) Partial root parasite
xvii. Cambial activity is checket due to the deficiency of
a) Nitrogen
b) Potassium
c) Magnesium
d) Phosphorus
SECTION
"B" (SHORT ANSWER QUESTIONS)
(22 MARKS)
Q.2. Answer any Eleven questions from
this Section. All questions carry equal marks. Answer each
question in 5 to 6 lines.
i. Explain the structure of a Cell Wall.
ii. What structure and function of Chloroplast.
iii. What is Hydroponics?
iv. Give structure of Rhynia Plant.
v. Draw a labelled diagram of a bateriophage.
vi. What is Photorespiration?
vii. What are Insectivorous plants? Explain the structure of
any one of them.
viii. Draw a labelled diagram of female Cone of Pinus.
ix. Give four common characters found in Ascomycota and
Basidiomycota.
x. Draw the graphic life cycle of fern (Diagram is not
required).
xi. Write the differences between active transport and
passive transport.
xii. Describe the economic importance of Rosaceae.
xiii. Describe the floral characters of family Mimosaceae.
xiv. Write the floral formula and draw the floral diagram of
the family Solanaceae.
xv. what is Plasmolysis? Explain
xvi. Draw the Kreb's cycle of Respiration.
SECTION
"C" (DESCRIPTIVE ANSWER QUESTIONS)
(14 MARKS)
NOTE
Answer any two questions from this
Section. All questions carry equal marks.
Q.3. Describe the life cycle of a Protoctist which causes
late blight of potato.
Q.4 Define photosynthesis. Describe the light reactions of
photosynthesis.
Q.5 What are harmful and beneficial effects of Bacteria?
Describe in detail.
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