Test 19 (Class 11) - Type Recall (Old NCERT)

Biology 1 - Section A

1.

As a group the most extensive metabolic diversity is shown by:

1.	Bacteria	2.	Protista
3.	Fungi	4.	Animals

2. Which of the following is expected to be found in deepest waters?

1.	Red algae	2.	Green algae
3.	Brown algae	4.	Blue green algae

3.

A bud is present in the axil of:

I:	petiole in simple leaves
II:	petiole in compound leaves
III:	leaflets of the compound leaves

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

4.

Match the following and choose the correct option:

A. Family	i. tuberosum
B. Kingdom	ii. Polymoniales
C. Order	iii. Solanum
D. Species	iv. Plantae
E. Genus	v. Solanacea

Options:

	i	ii	iii	iv	v
1.	D	C	E	B	A
2.	E	D	B	A	C
3.	D	E	B	A	C
4.	E	C	B	A	D

5. The organism shown in the given figure is representative of the subphylum Cephalochordata. This organism is:

1. Ascidia	2. Amphioxus
3. Petromyzon	4. Exocoetus

6. Flying fox is a/an:

1.	Flightless bird
2.	Limbless amphibian
3.	Viviparous mammal
4.	Economically important insect

7.

In gymnosperms, the ovules are:

1.	not enclosed by any ovary wall before and after fertilization
2.	not enclosed by any ovary wall only before fertilization
3.	not enclosed by any ovary wall only after fertilization
4.	enclosed by an ovary wall before and after fertilization

8.

Isolated metabolic reaction in a cell-free system:
1. Can be demonstrated
2. Is not a living reaction
3. Is a living thing
4. Is faster than in the living cell

9.

The given figure represents:

1.	Equisetum, a horsetail where A is macrophyll and B is microphyll
2.	Sphagnum, peat moss where A is microphyll and B is macrophyll
3.	Equisetum, a horsetail where A is archegonial branch and B is antheridial branch
4.	Sphagnum, peat moss where A is archegonial branch and B is antheridial branch

10.

Potato Spindle Tuber Disease is caused by a pathogen that is:

1.	A nucleocapsid
2.	A low molecular weight free RNA
3.	An abnormally folded protein
4.	A protozoan

11.

Protists that do not include any photosynthetic members are:

I: Euglenoids

II: Slime moulds

III: Protozoans

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

12.

Halophiles are archaebacteria adapted to extreme:

1.	Hot habitats	2.	Saline habitats
3.	Marshy habitats	4.	Cold habitats

13. The triploblastic animals differ from the diploblastic animals in having:

1.	Ectoderm	2.	Mesoderm
3.	Endoderm	4.	Gastroderm

14. The leaf like photosynthetic organ in the body of a typical brown alga is called as:

1.	Frond	2.	Stipe
3.	Holdfast	4.	Rhizoid

15. Consider the given two statements:

Statement 1:	Hemichordates were earlier considered as a sub-phylum under Phylum Chordata but are now placed separately in a phylum under non-Chordata.
Statement 2:	Hemichordates have a rudimentary structure in the collar region called stomochord, a structure homologous to the notochord.

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

16. Consider the following statements regarding basic body plans in Cnidaria:

I:	Polyp is sessile and cylindrical form as seen in Hydra and Adamsia.
II:	Medusa is umbrella-shaped and free swimming form as seen in Aurelia.

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

17.

What is not true regarding sexual reproduction in basidiomycetes?

1.	Sex organs are well developed
2.	Plasmogamy is brought about by fusion of two vegetative or somatic cells of different strains or genotypes
3.	Karyogamy and meiosis take place in basidium, producing four basidiospores
4.	Basidiospores are produced exogenously on the basidium

Biology 1 - Section B

18.

Scutellum is:

1.	shield shaped cotyledon in monocotyledons
2.	protein layer in the outer endosperm in monocotyledons
3.	starchy endosperm of dicotyledons
4.	stony hard seed coat in some seeds

19.

In a monocot stem:

1.	Each vascular bundle is surrounded by a sclerenchymatous bundle sheath
2.	Ground tissue is very poorly developed
3.	Vascular bundles are conjoint and open with water containing cavities
4.	Phloem parenchyma is present

20. In a floral formula, P₃₊₃ A₃₊₃ G₍₃₎ would mean:

1.	6 undifferentiated tepals in two whorls of three, the same number and arrangement of stamens, and an inferior ovary with 3 free carpels
2.	6 undifferentiated tepals in two whorls of three, the same number and arrangement of stamens, and a superior ovary with 3 fused carpels
3.	6 undifferentiated petals in two whorls of three, the same number and arrangement of stamens, and an inferior ovary with 3 free carpels
4.	6 undifferentiated petals in two whorls of three, the same number and arrangement of stamens, and a superior ovary with 3 fused carpels

21.

The vascular bundles in a dicot stem are:

1.	conjoint, open with endarch protoxylem
2.	conjoint, closed with endarch protoxylem
3.	conjoint, open with exarch protoxylem
4.	conjoint, closed with exarch protoxylem

22. Consider the two statements:

Statement I:	In racemose type of inflorescence, the main axis terminates in a flower, hence is limited in growth and the flowers are borne in a basipetal order.
Statement II:	In cymose type of inflorescence, the main axis continues to grow and the flowers are borne laterally in an acropetal succession.

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

23.

Match the plants with the parts where sclereids are commonly found in them:

Plants	Parts
A. Nuts	a. Fruit walls
B. Sapota	b. Pulp of fruit
C. Legumes	c. Seed coat
D. Tea	d. Leaves

Codes

	A	B	C	D
1.	a	b	c	d
2.	b	a	d	c
3.	b	d	c	a
4.	d	c	b	a

24.

The apical meristems in the plants:

1.	occur at the tips of both roots and shoots and produce primary tissues
2.	occur at the tip of root and base of the stem and produce secondary tissues
3.	occur at the base of root and tip of the stem and produce primary tissues
4.	occur at the tips of both roots and shoots and produce secondary tissues

25.

Epigynous flower is seen in:

1.	China rose	2.	Brinjal
3.	Mustard	4.	Ray florets of sunflower

Biology 2 - Section A

26. Identify the lipid shown in the given figure:

1. Glycerol
2. Fatty acid
3. Sphingosine
4. Cerebroside

27. The chemical components of a nucleotide do not include:
1. A heterocyclic compound
2. A monosaccharide
3. A phosphate
4. A saturated fatty acid

28.

Match each item in Column I with one item in Column II and chose your answer from the codes given below:

	Column I		Column II
(a)	Alkaloid	(i)	Abrin
(b)	Toxin	(ii)	Morphine
(c)	Lectin	(iii)	Vinblastin
(d)	Drug	(iv)	Concanavalin A

	(a)	(b)	(c)	(d)
1.	(i)	(ii)	(iii)	(iv)
2.	(ii)	(i)	(iv)	(iii)
3.	(ii)	(i)	(iii)	(iv)
4.	(i)	(ii)	(iv)	(iii)

29.

Which of the following is not a part of male cockroach reproductive system?
1. Phallic gland
2. Collaterial gland
3. Mushroom gland
4. Phallomeres

30.

The genital pouch in female cockroach is formed by:
1. 7th, 8th and 9th tergites
2. 7th, 8th and 9th sternites
3. 8th, 9th and 10th tergites
4. 8th, 9th and 10th sternites

31.

Who concluded, based on his studies on plant tissues, that the presence of cell wall is a unique character of plant cells?

1.	Matthias Shcleiden	2.	Theodor Schwann
3.	J. B. S. Haldane	4.	Rudolph Virchow

32.

Identify the appendage present on the surface of some bacterial cells that help attach them to rocks in streams and also to the host tissues:

1.	Flagella	2.	Pili
3.	Fimbriae	4.	Cilia

33. In a four-year-old stem, where would you expect to find the oldest secondary xylem?
1. adjacent to the pith
2. just inside the vascular cambium
3. just outside the vascular cambium
4. immediately adjacent to the primary phloem

34.

What type of epithelial cell junctions facilitate the cells to communicate with each other?
1. Gap junctions
2. Adhering junctions
3. Tight junctions
4. Plasmodesmata

35. Many organic substances are negatively charged e.g., acetic acid, while others are positively charged e.g., ammonium ion. An amino acid under certain conditions would have both positive and negative charges simultaneously in the same molecule. Such a form of amino acid is called
1. Positively charged form
2. Negatively charged form
3. Neutral form
4. Zwitter ionic form

36. The middle lamella of a typical plant cell:

I:	mainly consists of calcium carbonate
II:	holds or glues the different neighbouring cells together
III:	is not traversed by plasmodesmata

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

37.

Which one of the following types of cell is involved in making of the inner walls of large blood vessels?
1. Cuboidal epithelium
2. Columnar epithelium
3. Squamous epithelium
4. Stratified epithelium

38. Identify the correctly matched pair/s:

I:	GLUT-4	Enables glucose transport out of the cells
II:	Collagen	Most abundant protein in animal world
III:	RuBisCO	Most abundant protein in the whole of the biosphere

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

39. Consider the two statements:

Statement I:	In eukaryotic cells there is an extensive compartmentalization of cytoplasm.
Statement II:	Membrane-bound organelles are present in a Eukaryotic cell.

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

40. Consider the two statements:

Statement I:	Both the cilium and the flagellum emerge from centriole-like structure called the basal body.
Statement II:	Basal body, centrioles, cilia and flagella have identical arrangement of microtubules in their ultrastructure.

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

41.

The number of correct statements regarding Golgi apparatus amongst the given statements will be:

I:	The concave trans surface is the maturing face.
II:	The cis and trans faces are entirely different but interconnected.
III:	It remains in close association with the endoplasmic reticulum.
IV:	Site of formation of glycoproteins and glycolipids.

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

42.

Spindle fibers are attached to the chromosome in the region of:

1.	Centrosome	2.	Chromomere
3.	Chromonema	4.	Kinetochore

Biology 2 - Section B

43.

Which of the following categories of enzyme classification are correctly matched?

EC 1	Oxidoreductases: catalyze oxidation/reduction reactions
EC 2	Hydrolases: catalyze the hydrolysis of various bonds
EC 3	Transferases: transfer a functional group (e.g. a methyl or phosphate group)
EC 4	Lyases: cleave various bonds by means other than hydrolysis and oxidation
EC 5	Isomerases: catalyze isomerization changes within a single molecule
EC 6	Ligases: join two molecules with covalent bonds.

1. EC 1, EC 4, EC 5 and EC 6 only
2. EC 2 and EC 3 only
3. EC 1, EC 4 and EC 6 only
4. EC 3, EC 4, EC 5 and EC 6 only

44.

What level of protein structure is shown in the given diagram?

1. Primary	2. Secondary
3. Tertiary	4. Quaternary

45.

A ribbon-like structure consisting of three protein components and extending across the region of synapsed chromosomes during the prophase of meiosis, is called:

1.	Phragmoplast	2.	Phragmosome
3.	Synaptonemal complex	4.	Recombination nodule

46.

During which stage of mitosis do the following events occur?

I:	Centromeres split and chromatids separate
II:	Chromatids move to opposite poles

1.	Prophase	2.	Metaphase
3.	Anaphase	4.	Telophase

47. Consider the given two statements:

Statement I:	In animals, mitotic cell division is only seen in the diploid somatic cells.
Statement II:	Plants can show mitotic divisions in both haploid and diploid cells.

1. Statement I and Statement II are correct
2. Statement I is correct but Statement II is incorrect
3. Statement I is incorrect but Statement II is correct
4. Statement I and Statement II are incorrect

48. The number of metabolic steps in the glycolytic pathway is:
1. 5
2. 9
3. 10
4. 11

49.

In meiosis:

1.	A single round of DNA replication is followed by two sequential divisions with chromosome number and DNA content getting reduced twice
2.	A single round of DNA replication is followed by two sequential divisions with chromosome number getting reduced twice and DNA content getting reduced once
3.	A single round of DNA replication is followed by two sequential divisions with chromosome number getting reduced once and DNA content getting reduced twice
4.	A single round of DNA replication is followed by two sequential divisions with chromosome number and DNA content getting reduced once

50.

The phase of the cell cycle during which DNA replication takes place is:

1.	G₁ phase	2.	S phase
3.	G₂ phase	4.	M phase

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