ACME ACADEMY

WEEKLY EVALUATION TEST

Subject: Biology
Time Limit: 45 Mins
Max Marks: 100 Marks
Student Name:
Roll Number:
Class / Sec:
Date:

GENERAL INSTRUCTIONS:

  1. All questions are compulsory. Carefully read all instructions before starting.
  2. The question paper contains 50 questions.
  3. There is no negative marking for incorrect answers.
  4. Use of mobile phones, smartwatches, or calculators is strictly prohibited during the exam.
1. Saffron (Kesar) of commerce is obtained from which part of Crocus sativus?
[2 Marks]
(A) Petals
(B) Anthers
(C) Stigma and Style
(D) Entire flower
2. Clove (Laung), a common spice, is botanically a:
[2 Marks]
(A) Dried flower bud
(B) Dried fruit
(C) Dried seed
(D) Thalamus
3. Turmeric (Curcuma longa) yields its useful yellow powder from the:
[2 Marks]
(A) Root
(B) Rhizome
(C) Bulb
(D) Tuber
4. Coir of commerce is extracted from which part of the coconut (Cocos nucifera)?
[2 Marks]
(A) Epicarp
(B) Mesocarp
(C) Endocarp
(D) Endosperm
5. Reserpine, an important alkaloid used to treat hypertension, is extracted from:
[2 Marks]
(A) Papaver somniferum
(B) Rauvolfia serpentina
(C) Atropa belladonna
(D) Ephedra gerardiana
6. Which of the following plants is known as the 'Terror of Bengal'?
[2 Marks]
(A) Pistia stratiotes
(B) Eichhornia crassipes
(C) Hydrilla verticillata
(D) Lemna minor
7. Commercial rubber is obtained from the latex of:
[2 Marks]
(A) Ficus elastica
(B) Hevea brasiliensis
(C) Carica papaya
(D) Papaver somniferum
8. The drug Belladonna is obtained from the dried leaves and roots of:
[2 Marks]
(A) Atropa belladonna
(B) Aconitum napellus
(C) Digitalis purpurea
(D) Withania somnifera
9. Hemp (Bhang, Ganja, Charas) is obtained from:
[2 Marks]
(A) Cannabis sativa
(B) Papaver somniferum
(C) Crotalaria juncea
(D) Linum usitatissimum
10. Asafoetida (Hing) is obtained from the:
[2 Marks]
(A) Leaves of Ferula
(B) Roots of Ferula as a resinous exudate
(C) Seeds of Coriandrum
(D) Bark of Cinnamomum
11. Jute fiber is anatomically:
[2 Marks]
(A) Xylem fibers
(B) Secondary phloem (bast) fibers
(C) Epidermal hairs
(D) Cortical fibers
12. True cotton fibers are:
[2 Marks]
(A) Outgrowths of the seed coat
(B) Stem bast fibers
(C) Leaf fibers
(D) Root hairs
13. Dalbergia sissoo (Shisham) yields excellent quality:
[2 Marks]
(A) Oils
(B) Dyes
(C) Timber
(D) Fibers
14. The edible part of the Apple is the:
[2 Marks]
(A) Mesocarp
(B) Endocarp
(C) Fleshy Thalamus (Receptacle)
(D) Pericarp
15. The edible part of Litchi (Litchi chinensis) is the:
[2 Marks]
(A) Mesocarp
(B) Fleshy aril
(C) Endosperm
(D) Cotyledon
16. Which part of the Mango (Mangifera indica) is eaten?
[2 Marks]
(A) Epicarp
(B) Mesocarp
(C) Endocarp
(D) Thalamus
17. Holy basil (Tulsi) belongs to the family:
[2 Marks]
(A) Solanaceae
(B) Lamiaceae (Labiatae)
(C) Asteraceae
(D) Apiaceae
18. Ergot of rye, a medicinal fungus, is obtained from:
[2 Marks]
(A) Claviceps purpurea
(B) Puccinia graminis
(C) Ustilago tritici
(D) Albugo candida
19. Kattha, used in chewing paan, is extracted from the heartwood of:
[2 Marks]
(A) Tectona grandis
(B) Acacia catechu
(C) Azadirachta indica
(D) Santalum album
20. Agar-agar, widely used in tissue culture, is obtained from:
[2 Marks]
(A) Brown algae
(B) Red algae
(C) Green algae
(D) Blue-green algae
21. Tectona grandis (Teak) belongs to the family:
[2 Marks]
(A) Dipterocarpaceae
(B) Verbenaceae
(C) Meliaceae
(D) Fabaceae
22. Morphine and Codeine are extracted from:
[2 Marks]
(A) Papaver somniferum
(B) Erythroxylum coca
(C) Cinchona officinalis
(D) Atropa belladonna
23. Jatropha is heavily researched and promoted as a:
[2 Marks]
(A) Spice plant
(B) Petro-crop (Bio-diesel)
(C) Fiber yielding plant
(D) Cereal crop
24. The botanical name of Ashwagandha is:
[2 Marks]
(A) Withania somnifera
(B) Rauvolfia serpentina
(C) Adhatoda vasica
(D) Centella asiatica
25. Mustard oil is obtained from the seeds of:
[2 Marks]
(A) Brassica campestris
(B) Helianthus annuus
(C) Arachis hypogaea
(D) Linum usitatissimum
26. Black pepper (Piper nigrum) is morphologically a:
[2 Marks]
(A) Drupe
(B) Berry
(C) Capsule
(D) Nut
27. Tea (Camellia sinensis) belongs to the family:
[2 Marks]
(A) Rubiaceae
(B) Theaceae
(C) Malvaceae
(D) Rutaceae
28. The principal alkaloid in tea leaves responsible for its stimulating effect is:
[2 Marks]
(A) Theobromine
(B) Caffeine
(C) Tannin
(D) Nicotine
29. The most significant feature of Arachis hypogaea (Groundnut) is:
[2 Marks]
(A) Parthenocarpy
(B) Geocarpy
(C) Apomixis
(D) Vivipary
30. Linseed oil (Flaxseed oil) is obtained from:
[2 Marks]
(A) Linum usitatissimum
(B) Sesamum indicum
(C) Ricinus communis
(D) Carthamus tinctorius
31. Castor oil is heavily utilized as a lubricant. It is extracted from the:
[2 Marks]
(A) Cotyledons of Ricinus communis
(B) Endosperm of Ricinus communis
(C) Pericarp of Ricinus communis
(D) Embryo of Ricinus communis
32. Taxol, an anti-cancer drug, is obtained from the bark of:
[2 Marks]
(A) Taxus baccata
(B) Pinus roxburghii
(C) Cedrus deodara
(D) Cycas revoluta
33. Sugarcane (Saccharum officinarum) belongs to the economically vital family:
[2 Marks]
(A) Poaceae (Gramineae)
(B) Fabaceae (Leguminosae)
(C) Solanaceae
(D) Brassicaceae
34. Cardamom, known as the 'Queen of Spices', belongs to the family:
[2 Marks]
(A) Myrtaceae
(B) Zingiberaceae
(C) Apiaceae
(D) Piperaceae
35. Which of the following is commonly known as the 'King of Spices'?
[2 Marks]
(A) Clove
(B) Cardamom
(C) Black Pepper
(D) Saffron
36. The edible part of the Pomegranate (Punica granatum) is:
[2 Marks]
(A) Fleshy thalamus
(B) Succulent testa (seed coat)
(C) Endocarp
(D) Mesocarp
37. Cinnamon (Dalchini) of commerce is the:
[2 Marks]
(A) Dried root
(B) Dried leaves
(C) Dried inner bark
(D) Dried flowers
38. Ephedrine, a drug used to treat asthma and bronchitis, is obtained from a:
[2 Marks]
(A) Bryophyte
(B) Pteridophyte
(C) Gymnosperm
(D) Angiosperm
39. Nutmeg (Jaiphal) and Mace (Javitri) are obtained from:
[2 Marks]
(A) Different plants
(B) Different parts of the same fruit
(C) The same part of the same plant
(D) Roots and stems of the same plant
40. Cinchona belongs to the family:
[2 Marks]
(A) Rubiaceae
(B) Solanaceae
(C) Apocynaceae
(D) Fabaceae
41. The chief stimulant found in Cocoa/Chocolate (Theobroma cacao) is:
[2 Marks]
(A) Caffeine
(B) Theobromine
(C) Nicotine
(D) Strychnine
42. The edible part of the Banana is the:
[2 Marks]
(A) Epicarp
(B) Endosperm
(C) Fleshy mesocarp and rudimentary endocarp
(D) Fleshy placenta
43. Stevia leaves are commercially valuable because they are used as a:
[2 Marks]
(A) Natural dye
(B) Natural sweetener (Sugar substitute)
(C) Source of dietary fiber
(D) Bio-pesticide
44. Which fiber is commonly called the 'Golden Fibre' of India?
[2 Marks]
(A) Cotton
(B) Jute
(C) Silk
(D) Coir
45. Sunflower (Helianthus annuus) belongs to the family:
[2 Marks]
(A) Asteraceae (Compositae)
(B) Brassicaceae
(C) Malvaceae
(D) Liliaceae
46. The drug obtained from Catharanthus roseus (Vinca rosea) is used to treat:
[2 Marks]
(A) Malaria
(B) Leukemia (Cancer)
(C) Diabetes
(D) Tuberculosis
47. Pyrethrin, an environmentally safe natural insecticide, is extracted from the flowers of:
[2 Marks]
(A) Chrysanthemum cinerariifolium
(B) Azadirachta indica
(C) Nicotiana tabacum
(D) Carthamus tinctorius
48. Santalum album (Sandalwood) is considered a:
[2 Marks]
(A) Total root parasite
(B) Partial root parasite
(C) Total stem parasite
(D) Partial stem parasite
49. Guggul, a resin used heavily in Ayurveda for lipid disorders, is tapped from:
[2 Marks]
(A) Commiphora wightii
(B) Boswellia serrata
(C) Pinus roxburghii
(D) Ficus benghalensis
50. The edible, fleshy part of a Walnut (Akhrot) is the:
[2 Marks]
(A) Cotyledons
(B) Endosperm
(C) Mesocarp
(D) Thalamus

Official Answer Key (For Teachers)

Q1
C
Q2
A
Q3
B
Q4
B
Q5
B
Q6
B
Q7
B
Q8
A
Q9
A
Q10
B
Q11
B
Q12
A
Q13
C
Q14
C
Q15
B
Q16
B
Q17
B
Q18
A
Q19
B
Q20
B
Q21
B
Q22
A
Q23
B
Q24
A
Q25
A
Q26
B
Q27
B
Q28
B
Q29
B
Q30
A
Q31
B
Q32
A
Q33
A
Q34
B
Q35
C
Q36
B
Q37
C
Q38
C
Q39
B
Q40
A
Q41
B
Q42
C
Q43
B
Q44
B
Q45
A
Q46
B
Q47
A
Q48
B
Q49
A
Q50
A
🖨️

Print Configurator

Configure layout, details, and typography options for a professional question paper.

Document Options
← Back to Quiz