Chapter 5

In cymose the type of inflorescence is A. Main axis terminates into flower. B. Flower born in basipetal order. C. Main axis not terminates into flower. D. Flower born in acropetal order. (a) A and B only (b) \(\mathrm{C}\) and \(\mathrm{D}\) only (c) A and C only (d) \(\mathrm{B}\) and \(\mathrm{C}\) only

In racemose type of inflorescence, A. Main axis terminates into flower. B. Flower born in basipetal order. C. Main axis not terminates into flower. D. Flower born in acropetal order. (a) A and B only (b) \(\mathrm{C}\) and \(\mathrm{D}\) only (c) A and C only (d) \(\mathrm{B}\) and \(\mathrm{C}\) only

Which of the following is correct about flower? A. Reproductive unit in angiosperm. B. Calyx and corolla are reproductive organs. C. Typical flower has four kinds of whorls. D. Whorls arranged successively on thalamus or receptacle. (a) All except \(\mathrm{C}\) (b) All except D (c) All except \(\mathrm{B}\) (d) All except \(\mathrm{A}\)

Select the incorrect matching: A. Actinomorphic - When flower can be divided into two equal radial halves in any radial plane passing through the centre. B. Zygomorphic \(-\) When flower can be divided into two similar halves only in one particular vertical plane. C. Asymmetric \(-\) When flower cannot be divided into two similar halves by any vertical plane passing through centre. D. All are correct

Asymmetric flower is found in (a) Pea (b) Datura (c) Bean (d) Canna

How many of the following contains zygomorphic flower? Pea, Gulmohur, Bean, Cassia, Mustard, Datura, Chilli, Sesbania, Lupin, Muliathi (a) 6 (b) 7 (c) 4 (d) 8

The reduced leaf found at the base of the pedicel is known as (a) Leaflet (b) Stipule (c) Bract (d) Calyx

Based on the position of calyx, the corolla and androecium in respect of the ovary on thalamus, the flower is of how many types (a) 1 (b) 2 (c) 3 (d) 4

Select the correct matching: Column I Column II \(\quad\) Column III 1\. Hypogynous A. Gynoecium occupies the highest \(\quad\) X. Mustard, Brinjal, China rose position 2\. Epigynous B. Gynoecium is situated in the centre Y. Plum, peach, rose 3\. Perigynous C. Margin of thalamus grows upward Z. Guava, cucumber, ray florets enclosing ovary completely of sunflower (a) \(1-\mathrm{A}-\mathrm{X}, 2-\mathrm{B}-\mathrm{Y}, 3-\mathrm{C}-\mathrm{Z}\) (b) \(1-\mathrm{A}-\mathrm{X}, 2-\mathrm{C}-\mathrm{Z}, 3-\mathrm{B}-\mathrm{Y}\) (c) \(1-\mathrm{B}-\mathrm{Y}, 2-\mathrm{A}-\mathrm{X}, 3-\mathrm{C}-\mathrm{Z}\) (d) \(1-\mathrm{A}-\mathrm{X}, 2-\mathrm{B}-\mathrm{Z}, 3-\mathrm{C}-\mathrm{Y}\)

Which flower posses superior ovary? (a) Mustard (b) China rose (c) Brinjal (d) All of these

Select the correct matching: (a) Gamosepalous - Sepal is united (b) Polysepalous - Sepals are free (c) Gamopetalous - Petals are united (d) All of these

The shape of corolla may be (a) Tubular (b) Funnel-shaped (c) Bell-shaped (d) All of these

The mode of arrangement of sepals or petals in floral bud with respect to its other members of the same whorl are known as (a) Phyllotaxy (b) Inflorescence (c) Aestivation (d) Hibernation

Sepals or petals in a whorl just touch one another at the margin, without overlapping is found in (a) China rose (b) Pea (c) Cassia (d) Calotropis

Twisted aestivation is found in all except (a) Cotton (b) China rose (c) Lady's finger (d) Gulmohar

Which is false for vexillary or papilionaceous aestivation? (a) Two smallest anterior petals are known as keel. (b) Two lateral petals are known as wing. (c) The largest standard petal is posterior. (d) The largest standard petal is anterior and overlaps wing.

Stamen consists of (a) Stalk or filament (b) Stigma (c) Anther (d) Both (a) and (c)

Anther usually posses (a) One sac (b) Two sacs (c) Three sacs (d) Four sacs

A sterile stamen is called (a) Monadelphous (b) Epipetalous (c) Epiphyllous (d) Staminode

Epiphyllous stamens are found in (a) Sunn hemp (b) Ashwagandha (c) Mustard (d) Lily

Epipetalous stamens are found in (a) Trifolium (b) Brinjal (c) Asparagus (d) Indigofera

The stamens are united into one bunch (Monoadelphous) condition is found in (a) Pea (b) Citrus (c) Arhar (d) China rose

Diadelphous condition is found in (a) Citrus (b) Pea (c) China rose (d) Tomato

Which of the following is incorrect about carpet? (a) Ovary is enlarged basal portion (b) Stigma is usually at tip of style (c) Style is elongated tube over ovary (d) Style is the receptive surface for pollen grains

Apocarpous condition is found in (a) Mustard (b) Tomato (c) Lotus (d) All of these

Syncarpous condition is found in (a) Mustard (b) Lotus (c) Rose (d) All of these

After fertilization (a) Ovule develops into seed (b) Ovary matures to fruit (c) Ovary wall changes to fruit wall (d) All of these

Arrangement of ovules within the ovary is known as (a) Placentation (b) Aestivation (c) Fragmentation (d) Hibernation

Ovary is one-chambered but it becomes two chambered due to the formation of false septum is found in (a) Argemone and mustard (b) Dianthus and primrose (c) Rose and tomato (d) Pea

A placentation in which ovule are born on central axis and septa are absent, is found in (a) Argemone and mustard (b) Dianthus and primrose (c) Rose and tomato (d) Pea

A placentation, in which placenta develops at the base of ovary and a single ovule is attache is found in (a) Argemone and mustard (b) Dianthus and primrose (c) Rose and tomato (d) Sunflower and marigold

Fruit is (a) The resultant ripened ovary (b) Formed generally after fertilization (c) A characteristic feature of flowing plant (d) All of these

What is the name of the pericarp when it is thick and fleshy? (a) Epicarp (b) Mesocarp (c) Endocarp (d) All of these

In which fruit the mesocarp is fibrous? (a) Mango (b) Coconut (c) Both (a) and (b) (d) None of these

Which is the edible part in mango? (a) Thin epicarp (b) Fleshy mesocarp (c) Stony hard endocarp (d) All of these

In coconut and mango, the fruit is known as (a) Legume (b) Pod (c) Drupe (d) Samara

If fruit is developed without fertilization of the ovary, it is called (a) Parthenocarpic fruit (b) Apomictic fruit (c) Fleshly fruit (d) Polyembryonic fruit

Mango is developed from (a) Monocarpellary inferior ovary (b) Monocarpellary superior ovary (c) Multicarpellary inferior ovary (d) Multicarpellary superior ovary

Seed is made up of (a) Seed coat (b) Embryo (c) Both (a) and (b) (d) None of these

Embryo is made up of (a) A radicle (b) Embryonal axis (c) One or two cotyledons (d) All of these

The following are monocots except (a) Wheat (b) Maize (c) Sugarcane (d) Gram

The following are dicots except (a) Bean (b) Gram (c) Pea (d) Maize

Which of the following is correct about dicot seed? A Micropyle is present above the hilum. B. At the ends of embryonal axis the radicle and plumule is present. C. Seed coat has 3 layers. D. Cotyledons are generally without food reserve. (a) A and B only (b) \(\mathrm{B}\) and \(\mathrm{C}\) only (c) C and D only (d) A and D only

Following are the non-endospermic seed except (a) Bean (b) Gram (c) Pea (d) Castor

Which layer is called aleurone layer? (a) Protein (b) Carbohydrate (c) Lipid (d) All of these

The plumule and radical in monocot seed are enclosed in sheaths which are called and \(\quad\) respectively. (a) Coleoptile and scutellum (b) Scutellum and coleorhiza (c) Coleoptile and coleorhiza (d) Coleorhiza and coleoptile

Select the incorrect statement among the following: A. Monocot seeds are generally endospermic. B. In maize, the seed coat is membranous and is generally fused with fruit wall. C. In monocot seed, the single large shield shape cotyledon is known as scutellum. D. In orchids, the seeds are non-endospermic. (a) \(\mathrm{A}\) and \(\mathrm{B}\) only (b) C only (c) D only (d) None of these

Which family is known as the 'potato' family? (a) Fabaceae (b) Solanaceae (c) Liliaceae (d) Cruciferae (Brassicaceae)

The stem of fabaceae are (a) Erect or climber. (b) Herbaceous rarely woody, aerial, erect, cylindrical, branched solid. (c) Herbaceous with underground bulb/corms/rhizomes (d) All of these

Select the incorrect pair: (a) Indigofera \(-\) Sepals five (Gamosepalous), corolla (Vexillary aestivation) (b) Brinjal \(-\) Sepals five united (persistent, valvate aestivation) Petals five united (valvate aestivation) (c) Asparagus - Sepals three often united into tube (valvate aestivation) (d) Colchicine - Perianth present tepals six (valvate aestivation)