1. Who
discovered nucleus?
A. Albert
B. Newton
C. Robert
Brown
D. Robert Hooke
2. Mycology
is the study of
A. Virus
B. Hydrilla
C.
Rhizobium
D.
Fungi
3. The
Indian Botanical Garden is located at
A. Delhi
B.
Allahabad
C.
Kolkata correct
D. Lucknow
4. Water in
plants is transported by
A.
xylem
B.
epidermis
C. phloem
D. cambium
5. Which
part of the plant Raphanus sativus is edible?
A. Fruit
B. Leaves
C. Roots
D.
All
6. Where
did plants originate?
A. Ocean
B. Land
C. Soil
D. Water
7. The top
chambers of human heart are called
A. Aorta
B.
Atrium
C. Septum
D.
Ventricle
8. The
disease ’dieback of shoots’ is caused due to the deficiency of the
microelement:
A. Silver
B.
Magnesium
C.
Potassium
D.
Copper
9. What is
Fern prothallus
A.
Gametophyte
B. Vegetative body
C.
Sporophyte
D. None of
these
10. The
conservation hawks and owls is important to mankind chiefly because these birds
eat
A. Numerous
weed seeds
B. Harmful
birds
C. Many
harmful rodents
D. Harmful
reptiles
11. Potato,
ginger and turmeric are not roots but portions of the stem. This is due to the
fact that
A. They
have storage food materials
B. They possess nodes, internodes and scaly and foliage leaves
C. They
have suberin, cutin and lignin
D. They
have xylem and phloem
12. What is
the type of Tomato fruit?
A.
berry
B. Pome
C. drupe
D. none of
the above
13. Which
one of the following crops can enrich soil with nitrogenous compounds?
A. Mustard
B. Rice
C.
Sugarcane
D. Black
gram
14. The
total weight of all the organisms in a particular habitat is
A. Biofuel
B. Biology
C.
Biosphere
D.
Biomass
15. Pine,
fir, spruce, cedar, larch and cypress are the famous timber-yielding plants of
which several also occur widely in the hilly regions of India. All these belong
to
A. angiosperms
B.
gymnosperms
C. monocotyledons
D.
dicotyledons
16. Plants
receive their nutrients mainly from
A.
chlorophyll
B.
atmosphere
C. light
D.
soil
17. Which
acid is produced when milk gets sour?
A. Butyric
acid
B. Tartaric
acid
C. Lactic
acid
D. Acetic
acid
18. What is
the Ph value of human blood?
A.
7.40
B. 7
C. 0
D. 8
19. What
holds the sides of the DNA ladder together?
A. Polar
covalent bonds
B. Ionic
bonds
C. Metallic
bonds
D. Covalent
bonds
20. From
which part, Coconut coir is obtained?
A. Epicarp
B.
Mesocarp
C. Endocarp
D. Seed
21.
Fixation of nitrogen in the soil
A. virus
B. fungi
C.
bacteria
D. protozoa
22. Which
one of the following is the longest flower in the world?
A.
Sunflower
B. Lotus
C. Glory
lily
D.
Rafflesia
23. Healing
of wounds is hastened by vitamin?
A. vitamin C
B. vitamin
A
C. vitamin
D
D. vitamin
B
24. A
substance which releases hydrogen ions in water and has a pH less than 7, e.g.
hydrochloric acid in the human stomach is
A.
Cholesterol
B. Gall
stone
C.
Acid
D. None of
All
25.
Vivipary is characteristic of
A.
xerophytes
B.
hydrophytes
C.
halophytes
D.
mesophytes