CLASS XI BIOLOGY REVISION TEST (TERM I)(Objective)
(01.12.2021)
01. The scientific term for biological classification categories is the:-
- a. Species
- b. Taxon
- c. Phylum
- d. Domain
02. Which among the following is not a prokaryote :
- a. Saccharomyces
- b. Mycobacterium
- c. Nostoc.
- d. Oscillatoria
03. Methanogens belong to:-
- a. Eubacteria
- b. Archaebacteria
- c. Dinoflagellates
- d. Slime Mould
04. Which of the following algae contains mannitol as reserve food material:-
- a.Volvox
- b. Ulothrix
- c. Ectocarpus
- d. Gracilaria
05. Turtles are:-
- a. Arthropods
- b. Pisces
- c. Reptiles
- d. Molluscs
06. Who wrote the book Systema Naturae ?
- a. Lamarck
- b. Darwin
- c. Wallace
- d. Linnaeus
07. In marginal placentation, placenta forms a ridge along the:-
- a. Ventral Suture
- b. Dorsal Suture
- c. Anterior Suture
- d. Posterior Suture
08. The following diagram can represent the position of the ovary in:-
- a. Brinjal
- b. Guava
- c. Rose
- d. Mustard
09. Lignin is a component of the secondary walls of:-
- a. Epidermis
- b .Collenchyma
- c. Sclerenchyma
- d. Parenchyma
10. In male cockroaches, sperms are stored in which part of the reproductive system ?
- a. Seminal Vesicles
- b. Mushroom Glands
- c. Testes
- d. Vas Deferens
11. The major site for synthesis of lipids is:-
- a. RER
- b. SER
- c. Symplast
- d. Nucleoplasm
12. What are Singer and Nicolson known for:-
- a. One-gene-one enzyme hypothesis
- b .Plasma membrane modifications
- c. Fluid- mosaic model of plasma membrane
- d. Structure of DNA
13. Which one of the following gives positive Fehling’s solution test ?
- a. Sucrose
- b. Glucose
- c. Fats
- d. Proteins
14. Deficiency of Vitamin B1 causes the disease:-
- a. Convulsions
- b. Beri – Beri
- c. Cheilosis
- d. Sterility
15. Dissolution of the synaptonemal complex occurs during:-
- a. Zygotene
- b. Diplotene
- c. Leptotene
- d. Pachytene
16. Attraction of water molecules to polar surfaces is called as:-
- a. Connotation
- b. Adnation
- c. Cohesion
- d. Adhesion
17. Which of the following helps in the ascent of sap ?
- a. Root pressure
- b. Transpiration
- c. Capillarity
- d. All of these
18. The label of a herbarium sheet does not carry information on:-
- a. Data of collection
- b. Name of collection
- c. Local names
- d. Height of plant
19. Phycoerythrin is the major pigment in:-
- a. Red Algae
- b. Blue green Algae
- c. Green Algae
- d. Brown Algae
20. Conifers are adapted to tolerate extreme environmental conditions because of:-
- a. Broad hardy leaves
- b. Superficial stomata
- c. Thick cuticle
- d. The presence of vessels
21. Homeothermy is exhibited by:-
- a. All amniotes
- b. Birds and Mammals
- c. All deuterostomes
- d. Reptiles and Mammals
22. The region responsible for growth in the root of length is:-
- a. A
- b. B
- c. C
- d. D
23. The vascular cambium normally give rise to:-
- a. Phelloderm
- b. Primary phloem
- c. Secondary xylem
- d. Periderm
24. Which type of tissue correctly matches its location ?
Tissue Location
- a. Areolar tissue ----------- Tendons
- b. Transitional epithelium ------------ Tip of nose
- c. Cuboidal epithelium ------------ Lining of stomach
- d. Smooth muscle ------------ Wall of intestine
25. Osteocytes are present in ________ white chondrocytes are present in ________.
- a. Lacunae, cavities
- b. Cavities, lacunae
- c. Sinuses, lacunae
- d. Lacunae, holes
26. Cytochromes are found in:-
- a. Matrix of mitochondria
- b. Outer wall of mitochondria
- c. Cristae of mitochondria
- d. Lysosomes
27. Given below is a schematic break – up of the phases of cell cycle. Which one of the following is the correct indication of the stage/phase in the cell cycle ?
- a. B – metaphase
- b. C – karyokinesis
- c. D – synthesis phase
- d. A – cytokinesis
28. What do A,B,C and D represent in the following figure ?
- a. A : Carrier protein, B : Symport, C : Uniport, D : Antiport
- b. A : Carrier protein, B : Uniport, C : Antiport, D : Symport
- c. A : Carrier protein, B : Antiport, C : Symport, D : Uniport
- d. A : Carrier protein, B : Uniport, C : Symport, D : Antiport
29. Cell wall is absent in:-
- a. Aspergillus
- b. Funaria
- c. Mycoplasma
- d. Nostoc
30. What is not true for a generalized mollusc ?
- a. Body segmented into head, visceral mass & foot
- b. A rasping tongue like organ – radula present
- c. Mantle cavity with gills
- d. Excretory structure – nephridia
31. Which of the following is not a correct floral character of the member of the family Solanaceae ?
- a. Flower – Zygomorphic
- b. Calyx – Valvate aestivation
- c. Stamens – Epipetalous
- d. Fruit – Berry or Capsule
32. The common bottle cork is a product of:-
- a. Dermatogens
- b. Phellogen
- c. Xylem
- d. Vascular Cambium
33. Match the following and select the correct answer:-
List – I List – II
- A. Centriole I. Infolding in Mitochondria
- B. Chlorophyll II. Thylakoids
- C. Cristae III. Nucleic Acids
- D. Ribozymes IV. Basal body cilia or flagella
a. A – IV B – II C – I D – III
b. A – I B – II C – IV D – III
c. A – I B – III C – II D – IV
d. A – IV B – III C – I D – II
34. Nitrogenase enzyme contains:-
- a. Fe – S protein
- b. Mo – Fe – S protein
- c. Both a and b
- d. None of these
35. Bacterium divides every 35 min. If a culture containing 10 ⁵ cells per mL is grown for 175 minutes, what will be the cell concentration per mL after 175 minutes ?
- a. 5 X 10⁵ cells
- b.35 X 10⁵ cells
- c. 32 X 10⁵ cells
- d.174 X 10⁵ cells
