Test 13 (Class 11) - Type Recall (Old NCERT)

Biology 1 - Section A

1.

Chrysophytes:

I.	include diatoms and desmids
II.	are found only in marine water
III.	are planktonic

1. Only I and II are correct
2. Only I and III are correct
3. Only II and III are correct
4. I, II and III are correct

2.

Icthyophis is a/an:

1. Tunicate chordate	2. Flightless bird
3. Limbless amphibian	4. Egg-laying mammal

3. Regarding reproduction in Cyclostomes:

I:	They are marine but migrate for spawning to fresh water.
II:	After spawning, within a few days, they die.
III:	Their larvae, after metamorphosis, return to the ocean.

1.	Only II is correct
2.	Only I and II are correct
3.	Only II and III are correct
4.	I, II and III are correct

4. Given below is a schematic representation of the events in the life cycle of Rhizopus. Find the correct match for A-D:

	A	B	C	D
1.	Plasmogamy	Karyogamy	Meiosis	Sporangia
2.	Karyogamy	Plasmogamy	Meiosis	Sporangia
3.	Plasmogamy	Karyogamy	Mitosis	Conidiophores
4.	Karyogamy	Plasmogamy	Mitosis	Conidiophores

5.

Consider the following statements:

I:	Pteridophytes are the first terrestrial plants to possess vascular bundles.
II:	Main plant body in pteridophytes is sporophyte which is differentiated into true stem and leaves.
III:	Genera like Selaginella and Salvinia are heterosporous.

Which of the above statements are true?

1.	I and II only	2.	I and III only
3.	II and III only	4.	I, II and III

6. In brown algae:

I.	Asexual reproduction is by biflagellate zoospores that are pear shaped and have two unequal and laterally attached flagella.
II.	The gametes are pyriform [pear shaped] and bear two laterally attached flagella.

1. Both I and II are incorrect
2. Only I is incorrect
3. Only I is correct
4. Both I and II are correct

7. Which of the following does not relate to heterotrophic bacteria?

1.	They are important decomposers.
2.	They are helpful in making curd from milk, production of antibiotics and fixing nitrogen in legume roots.
3.	Some are pathogens causing damage to human beings, crops, farm animals and pets.
4.	Almost all help in recycling nutrients like nitrogen, phosphorus, iron and sulphur.

8.

The given pattern of life cycle will be seen in:

1. Spirogyra	2. Fucus
3. Ectocarpus	4. Polysiphonia

9.

Triploblastic organization, bilateral symmetry but lack of coelom will be seen in:

1.	Planaria	2.	Pheretima
3.	Periplaneta	4.	Pinctada

10. What would be true for an animal that exhibits the kind of body symmetry shown in the given diagram?

I:	This is seen in sponges, cnidarians, ctenophores and larval echinoderms.
II:	This type of body symmetry is generally seen in animals which move actively in their environment.

1.	Only I	2.	Only II
3.	Both I and II	4.	Neither I nor II

11.

The Indian Botanical Garden and the National Botanical Research Institute are located respectively at:

1. Pune and Howrah	2. Howrah and Lucknow
3. Darjeeling and Lucknow	4. Simla and Dehradun

12. Mark true (T) or false (F) for the given statements:

Statement I:	Tap root of sweet potato and adventitious roots of carrot, turnip get swollen and store food.
Statement II:	Prop roots are hanging and supporting structures in a banyan tree.
Statement III:	Stilt root arising from the uppermost nodes in stems of maize and sugarcane are also supporting roots.
Statement IV:	Pneumatophores help plants like Rhizophora growing in swampy areas to get oxygen for respiration.

	I	II	III	IV
1.	T	T	F	F
2.	F	T	F	T
3.	T	F	T	F
4.	F	F	T	T

13.

Methanogens are commonly present in:
1. Alimentary canal of the lower invertebrates
2. Symbiotic relationships with xerophytic plants
3. Gut of ruminant animals
4. Close associations with corals

14.

Bacteriophages are:

1.	Bacteria infecting ss RNA viruses
2.	Bacteria infecting ds RNA viruses
3.	Viruses that infect bacteria and generally have ds DNA
4.	Viruses that infect bacteria and generally have ds RNA

15.

Which of the following regarding Cycas is incorrect?
1. Pinnate leaves persist for a few years
2. Male and female cones are born on different plants
3. Coralloid roots are in association with cynobacteria
4. Homosporous gymnosperm

16.

The taxonomic unit ‘Phylum’ in the classification of animals is equivalent to which hierarchical level in classification of plants?

1.	Class	2.	Order
3.	Division	4.	Family

17.

The number of correct statements regarding hemichordates from the given is:

I:	A stomochord is present in the collar region
II:	Circulation is of open type
III:	Excretory organ is proboscis gland
IV:	Development is indirect

1.	1	2.	2
3.	3	4.	4

Biology 1 - Section B

18.

Identify the correct statements amongst the following:

I:	When a shoot tip transforms into a flower, it is always solitary
II:	In racemose inflorescence, the main axis continues to grow and flowers are borne in basipetal order
III:	In cymose inflorescence, the main axis terminates in a flower and flowers are borne in basipetal order

1.	Only I	2.	Only I and II
3.	Only I and III	4.	Only II and III

19.

All the following statements regarding the anatomy of a typical dicotyledonous root are correct except:

1.	Many cells of the epiblema protrude in the form of unicellular root hairs.
2.	The innermost layer of the cortex is called as the endodermis.
3.	Pericycle is made up of collenchymatous cells.
4.	Parenchymatous conjunctive tissue lies between the xylem and phloem.

20.

If the fruit is formed without the fertilization of ovary, it is called as:

1.	Parthenogenetic	2.	Parthenocarpic
3.	Aggregate	4.	False

21.

The term ‘peripheral endosperm’ in monocotyledonous seeds normally refers to:

1.	Epicarp	2.	Pericarp
3.	Aleurone layer	4.	Starchy endosperm

22.

The floral features shown in the given figure characterizes the members of Family:

1. Fabaceae	2. Solanaceae
3. Liliaceae	4. Brassicaceae

23.

The meristem that helps grasses regenerate parts removed by the grazing herbivores is the:

1.	Shoot apical meristem	2.	Root apical meristem
3.	Intercalary meristem	4.	Lateral meristem

24.

The nucleus of companion cells controls the functions of:
1. Sieve cells
2. Sieve tubes
3. Albuminous cells
4. Phloem parenchyma

25.

How many of the plants given in the box have actinomorphic flowers?

Mustard, Gulmohur, Canna, Cassia, Datura, Belladonna, Petunia, Indigofera, Tulip, Asparagus, Bean

1.	5	2.	6
3.	7	4.	8

Biology 2 - Section A

26.

The cells in areolar loose connective tissue that can secrete histamine are:

1.	Fibroblasts	2.	Macrophages
3.	Mast cells	4.	Basophils

27.

Consider the given two statements:

Statement-I:	Chloroplasts are considered endosymbiotic Cyanobacteria.
Statement-II:	Cyanobacteria consist of free-living photosynthetic bacteria.

1. Both I and II are correct and II explains I
2. Both I and II are correct but II does not explain I
3. I is correct and II is incorrect
4. Both I and II are incorrect

28.

The measure of fluidity of a cell membrane is:

1.	the ability of proteins to flip-flop between the two layers of phospholipids
2.	the ability of proteins to move laterally within the membrane
3.	the ability of lipids to flip-flop between the two layers of phospholipids
4.	the ability of lipids to move laterally within the membrane

29. Cell theory, as understood today, is:

I:	All living organisms are composed of cells and products of cells
II:	Cells of living organisms may or may not have cell walls
III:	All cells arise from pre-existing cells

1.	Only I and II	2.	Only I and III
3.	Only II and III	4.	I, II and III

30.

Consider the given two statements:

I:	The vision in cockroach can be best described as a mosaic vision.
II:	This is a nocturnal vision with more sensitivity but less resolution.

1. Both I and II are correct and II explains I
2. Both I and II are correct but II does not explain I
3. Both I and II are incorrect
4. II is incorrect and I is correct

31.

In male cockroaches, the genital pouch is bounded by:

1.	9^th and 10^th terga dorsally and 10^th sternum ventrally
2.	9^th tergum dorsally and 9^th and 10^th sterna ventrally
3.	9^th and 10^th terga dorsally and 9^th sternum ventrally
4.	9^th and 10^th terga dorsally and 9^th and 10^th sterna ventrally

32. Centrosome:

1.	is a non- membrane bound organelle found in all cells which helps in cell division
2.	is a non- membrane bound organelle found in plant cells which helps in cell division
3.	is a non- membrane bound organelle found in animal cells which helps in DNA replication
4.	is a non- membrane bound organelle found in animal cells which helps in cell division

33. The diagram shows comparison of size of eukaryotic cell with other organisms. What would be the correct size for I, II, III and IV?

I:	10-20 µm
II:	0.2-2.0 µm
III:	About 10 µm
IV:	1-2 µm

1.	Only I and III	2.	Only I and IV
3.	Only II and III	4.	Only I, II and IV

34.

A single membrane, tonoplast, binds the:

1. Inclusion bodies	2. Polysomes
3. Vacuoles	4. Lysosomes

35.

Study the given diagram and select the correct statements regarding the parts labels I, II and III.

A:	I are ribosomes and found only in eukaryotic cells.
B:	II is Rough Endoplasmic Reticulum frequently observed in cells actively involved in protein synthesis and secretion.
C:	III is Smooth Endoplasmic Reticulum which is a major site for synthesis of lipids.

1.	Only A and B	2.	Only A and C
3.	Only B and C	4.	A, B and C

36. Match each item in Column I with only one item in Column II and select the correct match from the codes given:

Column I [Component]	Column II [% of the total cellular mass]
A. Protein	P. 2
B. Carbohydrates	Q. 1
C. Lipids	R. 5-7
D. Nucleic acids	S. 3
	T. 10-15
	U. 70-90

Codes:

	A	B	C	D
1.	U	P	R	Q
2.	T	S	P	R
3.	T	P	S	R
4.	P	Q	R	S

37. Consider the given two statements:

Statement I:	Lipids are a part of acid insoluble fraction or the macromolecular fraction during chemical analysis of a cell.
Statement II:	Lipids have a molecular weight running in thousands of Dalton.

1.	Both Statement I and Statement II are correct and Statement II correctly explains Statement I
2.	Both Statement I and Statement II are correct but Statement II does not correctly explain Statement I
3.	Statement I is correct but Statement II is incorrect
4.	Statement I is incorrect but Statement II is correct

38. Consider the given two statements:

I.	In secondary growth in dicot stems, the amount of secondary phloem produced is more than secondary xylem
II.	The cambium is generally more active on the outer side than the inner

1.	Both I and II are true and II explains I
2.	Both I and II are true but II does not explain I
3.	I is true but II is false
4.	Both I and II are false

39.

Consider the given two statements:

I:	Living organisms defy the Second Law of Thermodynamics.
II:	They are able to increase their level of organization.

1. Both I and II are correct and II explains I
2. Both I and II are correct but II does not explain I
3. I is correct and II is incorrect
4. Both I and II are incorrect

40.

Communication junctions found at some fusion points that allow the cardiac muscle cells to contract as a unit are called as:
1. Intercalated discs
2. Sarcolemma
3. Nodes of Ranvier
4. Motor end plates

41. Identify the given biomolecule:

1.	Thymine	2.	Thymosine
3.	Thymidylic acid	4.	Cytidylic acid

42.

Consider the following two statements:

I:	Secondary constrictions can be used as markers to identify the particular SAT chromosomes.
II:	The secondary constrictions are always constant in their positions.

1. Both I and II are correct and II explains I
2. Both I and II are correct but II does not explain I
3. I is correct and II is incorrect
4. Both I and II are incorrect

Biology 2 - Section B

43.

Chitin, a complex polysaccharide, is found in:

1.	Plant cell wall
2.	The exoskeleton of arthropods and cell walls of most fungi
3.	Bacterial cell wall
4.	Cartilage and other connective tissues

44.

Which of the following cells is in transition to metaphase?

1		2.
3.		4.

45.

If an active-site directed inhibitor is present in the medium, the curve that will represent the progress of the chemical reaction will be shown by the letter:

1. D	2. C
3. A	4. B

46.

Most of the coenzymes contain:

1. Metal ions	2. FMN and FAD
3. Ribonucleoproteins	4. Vitamins

47. The true macromolecular fraction of any living tissue or cell includes all the following biomolecules except:

1.	Nucleic acids	2.	Polysaccharides
3.	Lipids	4.	Proteins

48.

Cells at the end of prophase, when viewed under the microscope, show:

1.	Nuclear envelope	2.	Nucleolus
3.	Mitochondria	4.	Endoplasmic reticulum

49.

The cells in the quiescent stage [G₀] phase of the cell cycle:

1.	exit from the S phase
2.	continue the events of cell cycle and complete the division
3.	are metabolically active
4.	cannot ever proliferate

50.

Which stage of meiosis is shown in the diagram given below?

1.	Metaphase I	2.	Metaphase II
3.	Anaphase I	4.	Anaphase II

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