Test 2 (Class 11) - Type Bio SCAN (Old NCERT)

Biology 1 - Section A

1. Algae belonging to Phaeophyceae:
1. have fucoxanthin and phycoerythrin as their main photosynthetic pigment.
2. store food in the form of mannitol and laminarin which are complex lipids.
3. have algin and polysulphate esters in their cell walls.
4. have 2, unequal, lateral flagellar insertions.

2. Identify the correct statements regarding the inflorescence shown in the given picture:

Statement I: It is a racemose inflorescence.
Statement II: The flowers are borne in a basipetal order.
1. Only Statement I
2. Only Statement II
3. Both Statement I and Statement II
4. Neither Statement I nor Statement II

3.

Identify the correctly matched row:

	Class	Mycelium	Spores
I.	Phycomycetes	Aseptate and coenocytic	Exogenous on sporangium
II.	Ascomycetes	Branched and septate	Endogenously in asci
III.	Basidiomycetes	Branched and septate	Exogenously on basidium

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

4.

Match each item in COLUMN I [Protist] with one in COLUMN II [Characteristic] and select your answer from the codes given:

	COLUMN I		COLUMN II
A.	Chrysophytes	a.	Pellicle
B.	Dinoflagellates	b.	Plasmodium
C.	Euglenoids	c.	Red tides
D.	Slime moulds	d.	Chief producers in oceans

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

5. ICZN stands for:
1. Indian Code for Zoological Nomenclature
2. Indian Council for Zoological Nomenclature
3. International Code for Zoological Nomenclature
4. International Council for Zoological Nomenclature

6.

Artificial systems of classification give equal weightage to vegetative and sexual characteristics which is not acceptable because:
1. Only the sexually characters are genetically determined
2. Vegetative characters are more easily affected by environment
3. Sexual characters are not easily observable in living beings
4. Vegetative reproduction is equally common as sexual reproduction

7. An archegonium is a multi-cellular structure or organ of the gametophyte phase of certain plants, producing and containing the ovum or female gamete. The structure is seen in all the following except:
1. Angiosperms
2. Liverworts [Bryophytes]
3. Pteridophytes
4. Gymnosperms

8. A fungus frequently used as a model organism for analytical studies in genetics is:
1. Saccharomyces cerevisiae
2. Monascus purpureus
3. Phytophthora infestans
4. Neurospora crassa

9. Lichen can be symbiotic association between fungi (mostly ascomycetes and basidiomycetes) and
A: Algae (usually green)
B: Cyanobacteria
1. Only A
2. Only B
3. Either A or B
4. Neither A nor B

10. Monkey, gorilla and gibbon do not belong to the same:
1. Phylum
2. Class
3. Order
4. Family

11. Identify the structure shown in the given figure and select the correct statements regarding it:

Statement I: The structure is a protonephridium and it plays an important role in excretion but not in osmoregulation.
Statement II: It is seen in Amphioxus, flatworms and rotifers.
1. Only Statement I
2. Only Statement II
3. Both Statement I and Statement II
4. Neither Statement I nor Statement I

12.

How many of the animals given in the box below are triploblastic, have a true coelom but lack segmentation?

Antedon, Laccifer, Limulus, Aplysia, Dentalium, Ancylostoma, Hirudinaria, Sepia, Ophiura, Nereis

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

13. Whittaker proposed an elaborate five kingdom classification – Monera, Protista, Fungi, Plantae and Animalia. Which of the following pairs is correctly matched?

1.	Monera	All members have a cell wall
2.	Protista	All members are photosynthetic
3.	Fungi	All members are heterotrophs
4.	Animalia	All members reproduce only sexually

14. Identify the correctly matched pairs:

	Column I [Family]	Column II [Floral characters]
I:	Solanaceae	Bicarpellary obliquely placed, syncarpous, ovary superior, bilocular, placenta swollen with many ovules
II:	Fabaceae	Ovary superior, mono carpellary, unilocular with many ovules, style single
III:	Liliaceae	Tricarpellary, syncarpous, ovary superior, trilocular with many ovules

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

15.

Read the following statements.

(a)	Metagenesis is observed in Helminths.
(b)	Echinoderms are triploblastic and coelomate animals.
(c)	Round worms have organ-system level of body organization.
(d)	Comb plates present in ctenophores help in digestion.
(e)	Water vascular system is characteristic of Echinoderms.

Choose the correct answer from the options given below:
1. (a), (d) and (e) are correct
2. (b), (c) and (e) are correct
3. (c), (d) and (e) are correct
4. (a), (b) and (c) are correct

16.

In having external fertilization and indirect development, amphibians differ from all other:
I. Tetrapods
II. Gnathostomatans
III. Vertebrates
1. Only I
2. Both I and II
3. Only II
4. I, II and III

17.

Identify the incorrect difference between a bryophyte and a pteridophyte:

	Feature	Bryophyte	Pteridophyte
1.	Main plant body	Gametophyte	Sporophyte
2.	Vascular tissue	Absent	Present
3.	True roots	Absent	Present
4.	Transfer of antherozoids	Water required	Water not required

Biology 1 - Section B

18.

Which of the following cell type of vascular tissue system of plants is not correctly matched with its function?

	Cell type	Function
1.	Tracheid	Chief water conduction element in gymnosperms
2.	Vessel element	Chief water conduction element in angiosperms
3.	Sieve cell	Food conduction element in angiosperms
4.	Albuminous cell	Delivery of substances to sieve cells

19.

Match each item in COLUMN I with one in COLUMN II and select the correct answer from the codes given:

	COLUMN I [Cohesion of stamen]		COLUMN II [Example]
A.	Monadelphoyus	a.	Sunflower
B.	Diadelphous	b.	China rose
C.	Syngenesious	c.	Cucurbits
D.	Synandrous	d.	Pea

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

20.

In a longitudinal section of a root, starting from the tip upward, the four zones occur in the following order:

1.	Root cap, cell division, cell maturation, cell enlargement
2.	Cell division, cell enlargement, cell maturation, root cap
3.	Cell division, cell maturation, cell enlargement, root cap
4.	Root cap, cell division, cell enlargement, cell maturation

21. Grasses have the capability to recover the parts lost to grazing by herbivores due to the presence of a type of meristem that is called as the:
1. Root apical meristem
2. Shoot apical meristem
3. Intercalary meristem
4. Floral meristem

22.

Consider the two statements:
I. Annual rings in trees show that the xylem elements formed in the autumn are larger than those formed in the spring.
II. The cambium is more active in winter.
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 but II is incorrect
4. Both I and II are incorrect

23.

Vascular bundles in monocotyledons are considered closed because:

1.	a bundle sheath surrounds each bundle
2.	cambium is absent
3.	there are no vessels with perforations
4.	xylem is surrounded all around by phloem

24. The transverse section shown in the given figure is representative of:

1. Monocot stem
2. Monocot root
3. Dicot stem
4. Dicot root

25.

Identify the incorrectly matched pair:

1.	Banyan	Hanging supportive prop roots
2.	Sweet potato	Tap root modified for storage of food
3.	Maize	Supportive stilt roots coming out of the lower nodes of the stem
4.	Rhizophora	Respiratory roots

Biology 2 - Section A

26.

Identify the incorrectly matched pair:

	Biomolecule	Function
1.		Main structural component of cell membranes
2.		Precursor of steroidal hormones in animals
3.		Structural component of DNA
4.		Synthesis of iodothyronines

27.

In a prokaryotic cell:
1. an extrachromosomal circular plastid replicates autonomously
2. mesosomes have pigments in photosynthetic bacterial cells
3. polyribosomes are not found
4. reserve materials are stored in inclusion bodies

28.

The substrate has to go through a higher energy state or transition state during its conversion to a product in:

I:	Exothermic spontaneous reactions
II:	Endothermic reactions
III:	Enzyme catalyzed reactions

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

29.

The type of epithelium shown in the diagram is most likely to be found in the lining of:

1. Terminal Ileum
2. Fallopian tubes
3. Trachea
4. Urinary bladder

30.

Consider the two statements:

Statement I	Mitochondria and chloroplasts are considered as the part of endomembrane system in a eukaryotic cell.
Statement II	Their functions are coordinated with ER, GA, Lysosomes and vacuoles.

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

31.

In the given diagram of areolar connective tissue, the structure responsible for the release of mediators of inflammation is shown by the letter:

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

32.

Consider the two statements:

Statements: I	The lipids in the plasma membrane are quasi-fluid in nature.
Statements: II	They allow ‘flip-flop’ movement of the proteins.

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 but II is incorrect
4.	Both I and II are incorrect

33. Which layer, consisting of calcium pectate, is the first formed after cytokinesis in a plant cell?
1. The primary cell wall
2. The middle lamella
3. The secondary cell wall
4. Plasmodesmata

34.

The given diagram shows the ultra-structure of:

1. Centriole
2. Cilium
3. Flagellum
4. Centrosome

35. Regarding frogs:
Statement I: They have the ability to change the colour to hide them from their enemies (camouflage).
Statement II: They undergo summer sleep called as hibernation as well as winter sleep called as aestivation.
1. Only Statement II is correct
2. Only Statement I is correct
3. Both Statement I and Statement II are incorrect.
4. Both Statement I and Statement II are correct.

36.

The living state of an organism is a :
1. non-equlibrium steady state
2. non-equilibrium variable state
3. steady state in perfect equlibrium
4. variable state in perfect quilibrium

37. Identify the incorrect statement regarding Rana tigrina:
1. Forebrain includes olfactory lobes.
2. Midbrain includes optic lobes.
3. Hindbrain consists of cerebellum and medulla oblongata.
4. There are twelve pairs of cranial nerves.

38. Gram staining differentiates bacteria into Gram Positive and Gram negative by the chemical and physical properties of their:
1. 70 S ribosomes
2. Cell membrane
3. Cell wall
4. Chloroplasts

39.

Polysome is formed by:

1.	several ribosomes attached to a single mRNA
2.	many ribosomes attached to a strand of endoplasmic reticulum
3.	a ribosome with several subunits
4.	ribosomes attached in a linear arrangement

40.

Regarding lipids:
1. Arachidonic acid has 20 carbon atoms excluding the carboxyl carbon
2. Trihydroxy propane is a component of triglycerides
3. Oils have a higher melting point than fats
4. They are polymers but not macromolecules

41.

Identify the incorrectly matched pair regarding the anatomy of Periplaneta americana:

1.	Malpighian tubule	Junction of mid gut and hind gut
2.	Spiracles	10 pairs
3.	Supra-oesophageal ganglion	Represents brain
4.	Development	Holometabolous

42.

Mark the mismatched pair :

1. Amyloplast	i. Store protein granule
2. Elaioplast	ii. Store oils or fats
3.Chloroplasts	iii. Contain chlorophyll pigments
4. Chromoplasts	iv. Contain coloured pigments other than chlorophyll

Biology 2 - Section B

43.

Which of the following is the simplest amino acid?
1. Alanine
2. Asparagine
3. Glycine
4. Tyrosine

44.

Identify the meiotic stage in which the homologous chromosomes separate while the sister chromatids remain associated at their centromeres.
1. Metaphase-II
2. Anaphase-I
3. Anaphase-II
4. Metaphase-I

45.

A linear sequence of amino acids in a peptide or a protein describes its:
1. Primary structure
2. Secondary structure
3. Tertiary structure
4. Quaternary structure

46.

Which of the following stages of Meiosis I of Prophase I is not correctly matched with events occurring during that stage?

	Stage	Event
1.	Zygotene	Pairing between homologous chromosomes
2.	Pachytene	Crossing over between sister chromatids of homologous chromosomes
3.	Diplotene	Tendency of recombined homologues to separate
4.	Diakinesis	Terminalization of chiasmata

47.

The chitinous exoskeleton of arthropods is formed by the polymerization of?
1. Keratine sulphate and chondroitin sulphate
2. D-glucosamine
3. N-acetyl glucosamine
4. Lipoglycans

48.

A cell at G₁ phase has a chromosome content 2C and DNA amount 2N. What will be the chromosome content and amount of DNA in this cell at telophase of mitosis?
1. 2C and 2N
2. 2C and 4N
3. 4C and 2N
4. 4C and 4N

49.

At which stage of mitosis are chromosomes usually photographed in the preparation of a karyotype?
1. Prophase
2. Metaphase
3. Anaphase
4. Telophase

50.

Consider the given two statements:

I:	If Iodine-KI reagent is added to a solution containing cellulose a blue-black color results.
II:	Cellulose forms helical secondary structures and can hold I2.

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 but II is incorrect
4.	Both I and II are incorrect

Fill OMR Sheet*

*If above link doesn't work, please go to test link from where you got the pdf and fill OMR from there

CLICK HERE to get FREE ACCESS for 2 days of ANY NEETprep course

Please be patient as the PDF generation may take upto a minute.

Fill OMR Sheet*