MORPHOLOGY OF FLOWERING PLANTS-NEET PRACTICE QUESTIONS

 

                                  MORPHOLOGY OF FLOWERING PLANTS

 1. Water is absorbed by

A) Root hairs

B) Root cap

C) Root

D) Root apex

Correct Answer: A

2. Pneumatophores occur in plants of 

A) Sandy soil

B) Saline marshy soil

C) Marshy soil

D) Water

Correct Answer: C

3. Roots developing from plant parts other than radicle are [AFMC 1994; CET Chd. 1997; Haryana PMT 2005]

A) Epiphyllous

B) Epicaulous

C) Adventitious

D) Fibrous

Correct Answer: C

4. Roots are feebly developed in 

A) Hydrophytes

B) Mesophytes

C) Xerophytes

D) Halophytes

Correct Answer: A

5.Nodulated roots occur in

A) Pea

B) Wheat

C) Mustard

D) Rice

Correct Answer: A

6. Root cap takes part in 

A) Formation of new cells

B) Absorption of water and minerals

C) Protection of root meristem

D) Storage of food

Correct Answer: C

7.Conical fleshy roots occur in

A) Sweet potato

B) Dahlia

C) Asparagus

D) Carrot

Correct Answer: D

8.Napiform roots are recorded from

A) Radish

B) Carrot

C) Beet

D) Sweet potato

Correct Answer: C

9.Fusiform roots are found in

A) Solanum tuberosum

B) Calocasia

C) Daucus carota

D) Raphanus sativus

Correct Answer: D

10.Primary root and its branches constitute

A) Adventitious root system

B) Tap root system

C) Fibrous roots

D) Seminal roots

Correct Answer: B

11.Stilt roots are reported from  

A) Pandanus

B) Radish

C) Mango-ginger

D) Bryophyllum

Correct Answer: A

12. Assimilatory (Photosynthetic) roots a characteristic of 

A) Trapa and Tinospora

B) Taeniophyllum and Podostemon

C) Both correct

D) None of these

Correct Answer: C

13. Root bears

A) Nodes only

B) Internodes only

C) Both nodes and internodes

D) None of these

Correct Answer: D

14.Root pockets act as balancers and found in 

A) Hydrophytes

B) Free floating hydrophytes

C) Fixed floating hydrophytes

D) Submerged hydrophytes

Correct Answer: B

15.The root that never does primary function is

A) Nodulated root of gram

B) Conical roots of carrot

C) Buttress roots of Ficus

D) Stilt root of maize

Correct Answer: D

16.Monocot plants are characterised by the presence of   

A) Tap roots

B) Fibrous roots

C) Annulated roots

D) Stilt roots

Correct Answer: B

17. Nodulated roots bearing family is 

A) Mimosoideae

B) Caesalpinoideae

C) Papilionatae

D) Solanaceae

Correct Answer: C

18. Clinging and epiphytic roots are found in 

A) Orchid

B) Tinospora / Trapa

C) Rhizophora / Pandanus

D) Pothos / Podostemon

Correct Answer: A

19.Bacteria found in root nodules of legumes are [CPMT 1998; DPMT 2002]

A) Nitrobacter

B) Nitrosomonas

C) Rhizobium

D) Azotobacter

Correct Answer: C

20. In Pandanus (Screw pine) stilt roots arise from

A) Basal nodes

B) Upper surface of oblique stem

C) Lower side of oblique stem

D) Anywhere

Correct Answer: C

21. In Ipomoea batatas/Sweet potato the food is stored in  
A) Root tuber

B) Stem tuber

C) Bud

D) Leaves

Correct Answer: A

22.In maize, the fibrous roots develop from [AFMC 1981, 89; JIPMER 1986]

A) Lower nodes

B) Upper nodes

C) Upper internodes

D) None of the above

Correct Answer: A

23. Prolongation of radicle gives rise to [Bihar PMT 1980; AMU 1986]

A) Fibrous root system

B) Primary root

C) Stilt root

D) Pillar root

Correct Answer: B

24.Edible part of Sweet potato is

A) Stem tuber

B) Unripe fruit

C) Adventitious root tuber

D) Rhizome

Correct Answer: C

25.Leguminous plants possess [RPMT 1993]

A) Napiform roots

B) Nodulated roots

C) Tuberous roots

D) Fusiform roots

Correct Answer: B

26. Roots are used in vegetative propagation in 

A) Potato

B) Sweet potato

C) Ginger

D) Onion

Correct Answer: B

27. Which modification of root does not store food 

A) Tuberous

B) Napiform

C) Conical

D) Stilt

Correct Answer: D

28. Epiphytic roots occur in 

A) Rhizophora

B) Trapa

C) Vanda

D) Asparagus

Correct Answer: C

29.Climbing roots are present in 

A) Loranthus

B) Curcuma amada

C) Rose

D) Piper betle

Correct Answer: D

30. Sweet potato is modification of   

A) Leaf

B) Root

C) Stem

D) Flowering axis

Correct Answer: B

31.Which is not a product of root 

A) Sugarbeet

B) Carrot

C) Radish

D) Potato

Correct Answer: D

32. Aerial absorptive roots occur in 

A) Epiphytes

B) Mesophytes

C) Hydrophytes

D) Xerophytes

Correct Answer: A

33.Balancing roots occur in

A) Hydrilla

B) Vallisneria

C) Lemna

D) Lotus

Correct Answer: C

34. Climbing roots occur in [APMEE 1996; CBSE PMT 1999]

A) Vanilla

B) Vanda

C) Pongamia

D) Taeniophyllum

Correct Answer: A

35.A rootless angiosperm is

A) Cuscuta

B) Balanosphora

C) Utricularia

D) All of these

Correct Answer: D

36. Choose the correct statement about haustorial (Parasitic) roots of Cuscuta

A) These roots develop contact with xylem of host

B) These develop contact with xylem and phloem of host

C) These develop contact with phloem of host to get food

D) These develop contact with pericycle and lateral roots of host

Correct Answer: B

37. Respiratory roots are found in 

A) Sonneratia and Heritiera

B) Trapa

C) Rhizophores

D) Eichhornia

Correct Answer: A

38. A modification of the following is a sucking structure

A) Pneumatophores

B) Climbing roots

C) Assimilatory roots

D) Haustorial roots

Correct Answer: D

39.In orchids which of the following types of roots are found 

A) Tuberous roots

B) Assimilatory roots

C) Respiratory roots

D) Pneumatophores

Correct Answer: B

40. Epiphyllous roots in Begonia and Bryophyllum are

A) Green roots

B) Modified leaves

C) Roots bearing stem

D) Roots arising from leaves

Correct Answer: D

41.Pneumatophores are characteristics of family [MP PMT 1987; Bihar PMT 2001]

A) Loranthaceae

B) Hydrocharitaceae

C) Rhizophoraceae

D) Orchidaceae

Correct Answer: C

42. There is maximum growth in root  [CPMT 1998; AFMC 1993]

A) In the dark

B) In the light

C) At the root apex

D) Just behind the root apex

Correct Answer: D

43.Prop roots of Banyan tree are meant for [CPMT 1983]

A) Respiration

B) Absorption of water from soil

C) Retention of water in soil

D) Providing support to big tree

Correct Answer: D

44.Roots have thorny branches in [BHU 1989]

A) Vanilla

B) Asparagus

C) Acanthorhiza

D) Pothos

Correct Answer: C

45.Root cap is absent in [BHU 1994, 2000]

A) Hydrophytes

B) Lithophytes

C) Xerophytes

D) Mesophytes

Correct Answer: A

46.Sucking roots occur in [NCERT 1983]

A) Ficus

B) Vanda

C) Carrot

D) Mistletoe

Correct Answer: D

47. Which is not a stem modification 

A) Ginger

B) Mango-ginger

C) Potato

D) Garlic

Correct Answer: B

48.Food is stored in one of the following 

A) Respiratory root

B) Fibrous root

C) Fasciculated root

D) Nodulated root

Correct Answer: C

49.White spongy floating roots occur in 

A) Trapa

B) Nymphaea

C) Eichhornia

D) Jussiaea

Correct Answer: D

50.Prop or pillar roots are  

A) Fasciculated roots

B) Tap roots

C) Adventitious roots 

D) Secondary roots

Correct Answer: C

 

 

 

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