EAMCET Biology – india vidya

1. Arrange the following which are not applicable but related to Virus, Dujardin, Robert Brown and Virchow respectively.
A) Nucleoid B) Structural Unit of Organisms C) Cell Theory D) Active Centre for various biological processes.
1) ADCB 2) CDAB 3) CDBA D) BCAD

2. Many cells function properly and divide mitotically meiotically even though they do not have the following
A) Cytoskeleton B) Mitochondria C) Plasma membrane D) Plasmids

3. Arrange the following in ascending order basing on their measurements (width)
A) Solenoid B) DNA C) Chromatid D) Nucleosome
1) ABCD 2) BDAC 3) BADC 4) DCAB

4. Chromosomes of Eukaryotic Organisms showing sexual reproduction obtain maximum stability in the following of mitosis.
1) Prophase 2) Metaphase 3) Anaphase 4) Telophase

5. Phospho diester bond in the poly nucleotide chain of DNA or RNA of Eukaryotic or Prokaryotic Organisms is present between
1) Carbon of the Pentose sugar and Oxygen atom of Phosphate
2) Oxygen of Pentose sugar and Phosphorous of Phosphate
3) Carbon of the Pentose sugar and Nitrogen of Purine
4) Oxygen molecule of Phosphate and carbon of Pentose sugar

6. Assertion (A): DNA is also called chemical basis of heredity.
Reason (R): Hershy and Chase showed that DNA is the sole carrier of genetic information from parent to offspring.
1) (A) and (R) are correct. (R) explains (A)
2) (A) and (R) are correct. (R) do not explains (A).
3) (A) is correct. (R) is false.
4) (A) is false. (R) is correct.

7. Assertion (A): Chromosomes do not bend in the region of secondary contriction during anaphase.
Reason(R): Spindle fibres bind with secondary constriction and do not allow it to bend.
1) (A) and (R) are correct. (R) explains (A)
2) (A) and (R) are correct. (R) do not explains (A).
3) (A) is correct. (R) is false.
4) (A) is false. (R) is correct.

8. Select a wrong statement from the following.
1) The repeating units of organic polymers of nucleic acids are called nucleotides.
2) Maximum number of nucleotides in shortliving RNA may be more than 2000.
3) Chloroplast consists DNA and RNA.
4) Terminalisation starts in Diplonema

9. One of the following is not a soft fibre
1) Musa 2) Ramie 3) Linum 4) Hemp

10. Select a mis-match from the following pairs.
1) Sieve plate – Biconvex 2) Companion cells – Rectangular
3) Phloem fibres – Spindle shaped 4) Xylem parenchyma – Round or Oval Cells

11. The growth of the flowers and fruits after initiated at the apex of the stem occurs due to
1) Apical meristems 2) Lateral meristems
3) Intercalary meristems 4) Parenchyma

12. The following do not shows lignosuberised thicknings.
I. Monocot stem II. Dicot stem III. Dicot leaf IV. Monocot leaf
1) I, III 2) II, IV 3) I, II 4) III, IV

13. One of the following protects the dicot stem from desiccation
1) Cuticle 2) Hairs 3) Stomata 4) Thickwall

14. The vascular tissue in the bark is
1) Xylem 2) Xylem & Phloem 3) Phloem 4) Bast

15. The cells of the following tissue show coenocytic condition
1) Glands 2) Laticiferous tissue 3) Osmophores 4) Collenchyma

KEY: 1)2 2)4 3)2 4)2 5)1 6)1 7)3 8)4 9)1 10)4 11)3 12)1 13)1 14)4 15)2.

1. Match the following:
LIST – I – LIST – II
A) Ichthyophis I) cauducibranchiate
B) Bufo II) Cave dweller & blind salamander
C) Amphiuma III) female shows parental
D) Proteus IV) paratoid glands
V) Scales absent

1) A-III, B-IV, C-I, D-V 2) A-III, B-V, C-I, D-II
3) A-III, B-IV, C-I, D-II 4) A-I, B-IV, C-II, D-III

2. Which one of the following has muscles, nerve cord and without coelom and viscera?
1) Tail 2) Abdomen 3) Thorax 4) both tail and abdomen

3. Assertion (A): Sarcopterygii is also known as Choanoicthyes
Reason (R): The members of that subclass have internal nares

1) Both (A) and (R) are correct. (R) is correct explanation for (A)
2) (A) is true but (R) is false
3) Both (A) and (R) are correct but (R) is not correct explanation for (A)
4) Both (A) and (R) are false

4. A list of fishes are given below
A) Hexanchus B) Scoliodon C) Chimaera D) Heptranchus
Arrange them in descending order
1) D, A, B, C 2) C, B, A, D 3) D, B, A, C 4) B, D, A, C

5. Cylindrical tail presence of eyelids are characters of-
1) Perinnibranchiates 2) apodans 3) All urodeles 4) Cauducibranchiates

6. Acornworms are separated from chordates. This can be justified in the absence of
1) Gill slits 2) Nerve cord 3) Enterocoel 4) Notochord

7. Number os sacral vertebra(e) in amphibians is-
1) Two 2) Three 3) One 4) Nine

8. Study the following
1) Notochord persists throughout life in extant agnathans.
II) Number of gill slits is equal to the number of cranial nerves in extinct agnathans.
III) Ammocoete larva of lamprey resembles Amphioxus in many characters.
IV) The first vertebrates with renel portal system are cyclostomes.

Identify the WRONG statement
1) I 2) IV 3) II 4) III

9. Match the following
List-I – List-II
A) Siren I) Mud puppy
B) Proteus II) mud eel
C) Necturus III) cave dweller
D) Amphiuma IV) tiger salamander
V) congo eel

Choose the correct answer

1) A-I, B-III, C-II, D-V 2) A-II, B-III, C-I, D-V
3) A-II B-I, C-III, D-V 4) A-II, B-III, C-I, D-IV.

10. Study the following.
A) Test absent B) Atrium absent C) Open circulatory system D) Notochord present
The above description is related to the adult stage of
1) Amphioxus 2) Pyrosoma 3) Oikopleura 4) Herdmania

11. Read the following statements related to Phylum Chordata.
I) In vertebrates the notochord modified as vertebral column.
II) In lancelets the notochord is persistent throughout life.
III) In urochordates it is confined to tail throughout life.
IV) In adult mammals it is represented by nuclei pulposi.

Choose the correct statements.
1) I, II, III, IV 2) I & II only 3) II & III only 4) II & IV only

12. The structures that are absent in apodans area
1) tail, lungs, limbs 2) tail, girdles and limbs
3) vocal cords, tail, and copulatory organ 4) tail, sensory tentacle

13. Assertion (A): The heart of fish is a branchial heart.
Reason (R): It pumps only deoxygenated blood.
1) Both ‘A’ and ‘R’ are correct. R is correct explanation for A
2) A is true but R is false
3) Both ‘A’ and ‘R’ are correct but ‘R’ is not correct explanation for ‘A’
4) Both ‘A’ and ‘R’ are false

14. All four fundamental characters of Phylum Chordata are retained throughout life by-
1) Oikopleura only 2) Branchiostoma only
3) both Oikopleura and Branchiostoma
4) both Botrylus and Branchiostoma

15. Read the following.
I) Multicellular mucus glands are present in the skin.
II) Ear drum and middle ear are present.
III) Male exhibits parental care.
IV) Gills and gill slits are absent in adults.

The above information confirms that the given organism is
1) A Hypotremate – Stegostema 2) Apodan – Icthyophis
3) Urodele – Ambystoma 4) Anuran – Midwife toad

16. The chief function of internal ear in fish
1) Hearing 2) Sound production 3) Equilibrium 4) Detect changes in water

17. Viviparous living fossil is-
1) Sphenodon punctatus 2) Latimeria chalumnae
3) Archaeopteryx lithographica 4) Limulus

18. Trilobed tail fin is the characteristic of-
1) Protopterus 2) Polypterus
3) Neoceratodus 4) Latimeria

Key: 1)3 2)1 3)1 4)1 5)4 6)4 7)3 8)2 9)2 10)3 11)4 12)2 13)3 14)3 15)4 16)3 17)2 18)4

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