BOTANY 8.

Identify the figure (i) & (ii)

ANATOMY OF FLOWERING PLANTS

1. Initiation of vascular cambium in dicot

root during secondary growth occurs from
A) Thin walled parenchymatous cells
B) Thick walled collenchyma cells
C) Thinn walled endodermal cells
D) Thick walled parenchyma cells
2. Which of the following is true about A) (i)– T.S of dicot root
A) Parenchymatous and lie outside (ii) – T.S of monocot root
phloem B) (i) – T.S of dicot stem
B) Parenchymatous and lie outside (ii) – T.S of monocot stem
endodermis C) (i) – T.S of monocot root
C) Collenchymatous and lie between (ii) – T.S of dicot root
xylem and phloem D) (i) – L.S of monocot stem
D) Parenchymatous and lie between xylem (ii) – L.S of dicot root
& phloem 9. Identify the correct labels of monocot root
3. Endodermis is present in dicot root in T.S
A) Two layer with little intercellular A) (i)- cortex, (ii)- endodermis, (iii)-
spaces pericycle
B) Two layer without any intercellular B) (ii)- cortex, (i)- endodermis, (iii)-
spaces pericycle
C) Single layer with little intercellular C) (iii)- cortex, (ii)- endodermis, (i)-
spaces pericycle
D) Single layer without any intercellular D) (i)- cortex, (iii)- endodermis, (ii)-
spaces pericycle
4. Cortex of dicot root consists of –
10. Xylem bundles in monocot root-
A) Multi layers of thick walled A) Are fewer than dicot root
parenchyma B) Are less than six
B) Multi layers of thin walled parenchyma C) Are polyarchy
C) Single layer of thick walled D) All of the above
parenchyma
D) Single layer of thin walled parenchyma KEY
5. Innermost layer of cortex in dicot root is –
1) d 2) d 3) d 4) b 5) c
A) Pericycle B) Hypodermis
C) Endodermis D) Pith 6) b 7) c 8) c 9) b 10) c
6. Parenchyma cells are generally thin
walled. An example of thick-walled
parenchyma in dicot root is
A) Pith B) Pericycle
C) Endodermis D) Hypodermis
7. Stele includes
A) Endodermis, pericycle, pith
B) Endodermis, pericycle, vascular
bundles
C) Pericycle, vascular bundle, pith
D) Endodermis, vascular bundle, pith
 ZOOLOGY 8. Match the items of Column I with Column II.
ANATOMY OF FLOWERING PLANTS NEET (Odisha) 2019
Column I Column II
1. What contributed to Mendel’s success?
A. XX-XO method of 1. Turner’s syndrome
I. Selection of pureline pea varieties. sex-determination
II. Knowledge of history. B. XX-XY method of 2. Female heterogamety
III. Selecting one character at a time. sex-determination
IV. Statistical analysis and mathematical logic. C. Karyotype-45 3. Grasshopper
Choose the correct option. D. ZW-ZZ method of sex- 4. Female homogamety
determination
(a) I, II, III and IV (b) II and III
(c) I, III and IV (d) II, III and IV Codes
A B C D A B C D
2. The first hybrid progeny obtained by Mendel were (a) 2 4 1 3 (b) 1 4 2 3
called (c) 3 4 1 2 (d) 4 2 1 3
(a) F1 -progeny (b) F 0 -progeny
(c) F 2 -progeny (d) F 3 -progeny 9. Match the following columns.
Column I Column II
3. The proportion of plants that were dwarf and tall, (Pedigree symbols) (Refers to)
respectively in F2 -generation of Mendel’s experiment A. 1. Death
was
B. 2. Five unaffected offspring
1 3 3 1
(a) th and th (b) th and th C. 3. Sex unspecified
4 4 4 4 5
2 1 1 4
(c) rd and rd (d) rd and rd D. 5
4. Female
3 3 3 3
4. TtRr represents (heterozygous tall, heterozygous E. 5. Male
pink). If this plant is self crossed then
(T–dominant, t–recessive, R–dominant, r–recessive) Codes
I. 25% plants have red flowers. A B C D E
II. 25% plants have white flowers. (a) 1 2 5 4 3
III. 50% plants have pink flowers. (b) 1 2 4 3 5
(c) 1 2 3 4 5
IV. 50% plants are tall. (d) 5 4 3 2 1
Choose the correct option. 10. Mother and father of a person with ‘O’ blood group
(a) I and II (b) I, II and III have ‘A’ and ‘B’ blood group, respectively. What
(c) II, III and IV (d) I, II, III and IV would be the genotype of both mother and father?
5. The types of gametes formed by the genotype RrYy (a) Mother is homozygous for ‘A’ blood group and father is
are heterozygous for ‘B’
(a) RY, Ry, rY, ry (b) RY, Ry, ry, ry (b) Mother is heterozygous for ‘A’ blood group and father
(c) Ry, Ry, Yy, ry (d) Rr, RR, Yy, YY is homozygous for ‘B’
6. Which of the following statements are false? (c) Both mother and father are heterozygous for ‘A’ and ‘B’
blood group, respectively
I. A dominant allele determines the phenotype when
paired with a recessive allele. (d) Both mother and father are homozygous for ‘A’ and ‘B’
blood group, respectively
II. A recessive allele is weaker than a dominant allele.
III. A recessive allele do not shows its effects when paired
with a dominant allele.
IV. A dominant allele is always better for an organism. KEY
(a) II, I and IV (b) II, III and IV 1) c 2) a 3) a 4) b 5) a
(c) I, II and III (d) I, III and IV
6) b 7) b 8) c 9) d 10) c
7. Match the following columns.
Column I Column II
(Genetic crosses) (Phenotypic ratios)
A. Test cross 1. 9:3:3:1
B. Monohybrid cross 2. 1:1
C. Dihybrid cross 3. 3:1

Codes
A B C A B C
(a) 2 1 3 (b) 2 3 1
(c) 3 2 1 (d) 1 3 2