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Medical Entrance Exam
OTI365 - AIIMS
AIIMS Biology - Structural Organisation in Animals and Plants Important Questions

Biology - Structural Organisation in Animals and Plants

Exam Duration: 45 Mins Total Questions : 30

1 )

Rhizome, which grows vertically upwards is

(a)
corm
(b)
stolon
(c)
bulbil
(d)
root stock

2 )

Reticulate venation in leaves is the characteristic feature of dicot plants. Which of the following monocot plants possesses exceptionally reticulate venation?

(a)
Smilax
(b)
Alocasia
(c)
Dioscorea
(d)
All of these

3 )

An aggregate fruit-is one which develops from

(a)
multicarpellary syncarpous gynoecium
(b)
multicarpellary apocarpous gynoecium
(c)
complete inflorescence
(d)
multicarpellary superior ovary

4 )

Companion cells are absent in phloem of

(a)
angiosperms and bryophytes
(b)
pteridophytes and gymnosperms
(c)
angiosperms and gymnosperms
(d)
bryophytes and angiosperms

5 )

In dicot stem, vascular bundles are conjoint, collateral and open, whereas in monocots vascular bundles are

(a)
conjoint, collateral and closed
(b)
radial, collateral and open
(c)
radial, bicollateral and closed
(d)
concentric, collateral and open

6 )

Choose out the odd pair in the following.

(a)
Areolar connective tissue-Collagen
(b)
Epithelum-Keratin
(c)
Neuron-Melanin
(d)
Muscle fibre-Actin

7 )

Name the inflorescence, in which flowers reach the same level though they arise from different points.

(a)
Umbel
(b)
Catkin
(c)
Corymb
(d)
Capitulum

8 )

Recently discovered tramsfer cells associated with xylem are characterised by

(a)
wall - ingrowths of primary wall
(b)
wall - ingrowths of lignified secondary wall
(c)
wall - ingrowths of plasma membrane
(d)
wall - ingrowths of unlignified secondary wall

9 )

Flower stalk is modified into books in a climber called

(a)
Trapa
(b)
Zizyphus
(c)
Artabotrys
(d)
Eichhornia

10 )

Vascular bundle is enclosed within a well - developed sclerenchymatous sheath in

(a)
monocot stem
(b)
dicot stem
(c)
monocot root
(d)
dicot root

11 )

The character of a nut fruit of Anacardium occidentale is

(a)
husky exocarp, woody pericarp and single seed possessing edible cotyledons
(b)
husky exocarp, woody pericarp and two seeds each possessing single large edible cotyledon
(c)
hard, brittle and some what spiny pericarp enclosing a non-edible seed
(d)
hard pericarp enclosing edible seed with two large cotyledons

12 )

The position of heart in cockroach is

(a)
lateral
(b)
dorsal
(c)
ventral
(d)
central

13 )

If the fruit develops without fertilisation, it is called

(a)
parthenocarpic
(b)
fleshy
(c)
seedless
(d)
Both (a) and (c)

14 )

Which of the following are enteronephric nephridia in earthworm ?

(a)
Pharyngeal and septal
(b)
Septal and integumentary
(c)
Integumentary and pharyngeal
(d)
Integumentary only

15 )

The female genital pore of Pheretima posthuma is located upon the segment ?

(a)
14th
(b)
16th
(c)
18th
(d)
15th

16 )

Stilt roots are seen in

(a)
Maize
(b)
Rhizophora
(c)
Monstera
(d)
Vanda

17 )

Zygomorphic symmetry is seen in

(a)
canna
(b)
chilli
(c)
mustard
(d)
gulmohur

18 )

Which one of the following is not an example of lateral meristems?

(a)
Apical meristem
(b)
fascicular cambium
(c)
interfascicular cambium
(d)
cork cambium

19 )

Most abundantly and widely distributed tissue in the body of animals is

(a)
glandular epithelium
(b)
connective tissue
(c)
muscular tissue
(d)
nervous tissue

20 )

The ciliated columnar epithelial cells in humans are known to occur in

(a)
bronchioles and Fallopian tubes
(b)
bile duct and oesophagus
(c)
Fallopian tubes and urethra
(d)
eustachian tube and stomach lining

21 )

Edible part in mango is

(a)
mesocarp
(b)
epicarp
(c)
endocarp
(d)
epidermis

22 )

Different parts of a leaf are modified into tendrils which help the plant in climbing up. Identify the type of tendril that is seen in Clematis

23 )

Identify A, B, C and D in the given transverse section of leaf of Zea mays.

(a)

A B C D

Abaxial epidermis Adaxial epidermis Xylem Phloem
(b)

A B C D

Adaxial epidermis Abaxial epidermis Xylem Phloem
(c)

A B C D

Adaxial epidermis Abaxial epidermis Phloem Xylem
(d)

A B C D

Abaxial epidermis Adaxial epidermis Phloem Xylem

24 )

Bark of which of the following plants yields a drug for the treatment of malaria?

(a)
Cinchona officinalis
(b)
Acacia arabia
(c)
Quercus suber
(d)
Cinnamomum

25 )

Select the pair which contains monocotyledonous families.

(a)
Solanaceae and Brassicaceae
(b)
Fabaceae and Asteraceae
(c)
Liliaceae and Poaceae
(d)
None of these

26 )

Consider the following statements (i)-(iii) and select the correct option stating which ones are true (T) and which ones are false (F).
(i) Keratinised stratified squamous epithelium covers moist surfaces like buccal cavity.
(ii) Fibroblasts store fat in adipose tissue.
(iii) Urinary bladder is lined by a stratified epithelium.