1. Valves in human veins were discovered by
1) William Harvey
2) Marcello Malpighi
3) Girolamo Fabrici
4) Rene Laennec
2. Modified stems among the following are..
1) Ginger, Carrot
2) Carrot, Turmeric
3) Radish, Carrot
4) Garlic, Potato
3. The place and type of joint in human body that works like a joint of door and window is
1) Elbow – Ball & Socket joint
2) Shoulder – Ball & Socket joint
3) Elbow – Hinge joint
4) Neck – Hinge joint
4. The organisms that share the surface of the pond water as a habitat are
1) Pistia, pond skater, larva of may fly
2) King fisher, dragon fly, may fly
3) Leech, great water boat man, mosquito larva
4) Frogs, cranes, crabs
5. Mulberry : Mulberry Silk : : ______ : Tasar Silk
1) Tasar
2) Tamarind
3) Terminalia
4) Tridax
6. Neelima observed a Papaya flower. The flower may be
1) a complete flower
2) a bisexual flower
3) a flower with head inflorescence
4) a male or a female flower
7. The mismatch among the following
A. Potato – Eye
B. Yeast – Spores
C. Bryophyllum – Leaf
D. Bread mould – Budding
1) A, B
2) B, C
3) D, B
4) A, D
8. These seeds are dispersed by water
1) Milk weed
2) Cotton
3) Coconut
4) Tridax
9. In a waste water treatment plant sludge is removed by
1) Bar screens
2) Chlorine and Ozone
3) Skimmer
4) Scraper
10. Rajesh made a cylinder of 15 cms length with a type of soil and then made it into a ring and it got cracks. The type of soil Rajesh used is
1) Light clay
2) Clay
3) Sand
4) Loam
11. Choose the correct pair regarding plant diseases.
1) Tikka – Bacteria
2) Red rot – Virus
3) Smut – Fungi
4) Citrus Canker – Fungi
12. Example for ‘Short term Crop’ is
1) Jowar
2) Red gram
3) Green gram
4) Sugar cane
13. Apis tincture’ used in homeopathic treatment is prepared by using
1) Honey
2) Bee venom
3) Bee wax
4) Drone wax
14. External fertilization takes place in
1) Frog, hen
2) Cat, fish
3) Frog, fish
4) Rat, cat
15. Pick up the correct statements regarding a ‘National Park’ from the following
A. The area hitched to conserve the wild life in their natural habitat
B. In this area human activities are allowed in a limited way
C. Grazing of domestic animals is prohibited in this area
1) A, B
2) A, C
3) B, C
4) A, B, C
16. Frog, snake, grass hopper, eagle and grass are present in a food chain. Identify the primary consumer in the above food chain.
1) Grass
2) Frog
3) Grass hopper
4) Snake
17. Disease caused by Helicobacter pylori is
1) Kala-azar
2) Typhoid
3) Anthrax
4) Peptic ulcer
18. Cycas, Loris and spotted chital deer are the examples of …..
1) Extinct species
2) Endemic species
3) Endangered species
4) Invasive alien species
19. In an erect plant, materials flow from upper parts to lower parts and lower parts to upper parts through these tissues respectively
1) Xylem, Phloem
2) Phloem, Xylem
3) Xylem, dermal tissue
4) Phloem, dermal tissue
20. The organells that synthesize proteins in the cell are
1) Ribosomes, Lysosomes
2) Lysosomes, Golgi complex
3) Smooth endoplasmic reticulum, lysosomes
4) Ribosomes, Rough endoplasmic reticulum
21. Organisms without membrane bound nucleus are placed in this kingdom
1) Protista
2) Monera
3) Protozoa
4) Fungi
22. The ancient bacteria present till date are
1) Archaebacteria
2) Cyanobacteria
3) Eubacteria
4) Escherichia coli
23. In a crop field it is observed that plants are unable to penetrate the roots deep into the soil. This is because of
1) deficiency of Potassium
2) excess of Potassium
3) deficiency of Phosphorus
4) deficiency of Nitrogen
24. Part that divides the inner space of eye ball as aqueous chamber and vitreous chamber is
1) Conjunctiva
2) Sclera
3) Iris
4) Lens
25. The story ‘Monkey and Hat merchant’ is about this type of animal behaviour
1) Instinct
2) Imprinting
3) Imitation
4) Conditioning
26. In a marine ecosystem organisms like brittle star, angular fish and tripod fishes are found in this zone.
1) Euphotic zone
2) Bathyal zone
3) Abyssal zone
4) Both in euphotic & bathyal zone
27. ‘Pyrolysis’ means –
1) Process of incineration
2) Process of combustion in absence of oxygen or under controlled atmosphere of oxygen
3) Splitting of Pyruvic acid
4) Burying of waste material away from residential areas
28. Adaptation in Hydrilla plant
1) Thin leaves with stomata
2) Thin leaves with no stomata
3) Wax layer on leaves
4) Thick leaves with no stomata
29. Name the phase and end products formed in grana during the process of photosynthesis
1) Biosynthetic phase – starch, water
2) Photochemical phase – starch, water
3) Biosynthetic phase – ATP, NADPH, O2
4) Photochemical phase – ATP, NADPH, O2
30. Sterility in males is due to the deficiency of this vitamin
1) Retinol
2) Tocoferol
3) Pyridoxine
4) Calciferol
31. Phytohormone responsible for opening of stomata and promotion of sprouting of lateral buds in plants is
1) Auxins
2) Gibberellins
3) Cytokinins
4) Abscisic acid
32. The situation in which ‘endosperm’ is formed
1) Male nucleus + egg cell
2) Male nucleus + male nucleus
3) Secondary nucleus + egg cell
4) Male nucleus + secondary nucleus
33. This phase of cell cycle lies in between end of DNA replication and beginning of mitosis.
1) G1 phase
2) G2 phase
3) S phase
4) M Phase
34. The passage of spermatozoa
1) Seminiferous tubules, Vasa deferentia, Vasa efferentia, Urethra
2) Seminiferous tubules, Vasa efferentia, Vasa deferentia, Urethra
3) Seminiferous tubules, Urethra, Vasa efferentia,Vasa deferentia
4) Urethra, Vasa deferentia, Vasa efferentia,Seminiferous tubules
35. When a pure green pea plant is crossed with heterozygous yellow pea plant, the genotype ratio of plants produced is
1) 1 : 1
2) 1 : 2
3) 1 : 2 : 1
4) 2 : 1
ANSWERS :
1) 3 2) 4 3) 3 4) 1 5) 3
6) 4 7) 3 8) 3 9) 4 10) 1
11) 3 12) 3 13) 2 14) 3 15) 2
16) 3 17) 4 18) 3 19) 2 20) 4
21) 2 22) 1 23) 3 24) 4 25) 3
26) 3 27) 2 28) 2 29) 4 30) 2
31) 3 32) 4 33) 2 34) 2 35) 1