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MCQOPTIONS
This section includes 14620 Mcqs, each offering curated multiple-choice questions to sharpen your NEET knowledge and support exam preparation. Choose a topic below to get started.
| 7801. |
A cultivated plant whose seed epidermis produces abundant cellulosic hairs used in textile industry and manufacture of fine quality paper is [CPMT 1988] |
| A. | Cannabis sativa |
| B. | Linum usitatissimum |
| C. | Gossypium herbaceum |
| D. | Salmalia malabarica |
| Answer» D. Salmalia malabarica | |
| 7802. |
Husk fibres obtained from dry coconut are called or One of the following is obtained from fruit wall [BHU 1987; MP PMT 1988; AIIMS 1992] |
| A. | Copra |
| B. | Coir |
| C. | Flax |
| D. | Hemp |
| Answer» C. Flax | |
| 7803. |
Which of the fibres have high tensile strength |
| A. | Textile fibres |
| B. | Filling fibres |
| C. | Natural fibres |
| D. | None of the above |
| Answer» B. Filling fibres | |
| 7804. |
Bamboo grows in [DPMT 1986] |
| A. | Temperate evergreen forests |
| B. | Tropical rain forests |
| C. | Deciduous forests |
| D. | Dry deciduous forests |
| Answer» C. Deciduous forests | |
| 7805. |
Hemp fibres are obtained from [BHU 1986] |
| A. | Corchorus |
| B. | Cannabis sativa |
| C. | Linum |
| D. | Hibiscus |
| Answer» C. Linum | |
| 7806. |
Largest newspaper industry is situated at [BHU 1985, AIIMS 1990] |
| A. | Mysore |
| B. | Lucknow |
| C. | Nepanagar |
| D. | Delhi |
| Answer» D. Delhi | |
| 7807. |
Jute is obtained from a plant which belongs to family [BHU 1984; MP PMT 1995] |
| A. | Tiliaceae |
| B. | Sterculiaceae |
| C. | Malvaceae |
| D. | Euphorbiaceae |
| Answer» B. Sterculiaceae | |
| 7808. |
"Commercial jute'' is morphologically [BHU 1986; MP PMT 1991, 2001, 03; Orissa PMT 2002] |
| A. | Phloem |
| B. | Xylem |
| C. | Bast fibre |
| D. | Xylem fibres |
| Answer» D. Xylem fibres | |
| 7809. |
Sunn hemp (Indian hemp) is derived from [BHU 1983, 87, 88] |
| A. | Malvaceae |
| B. | Leguminosae |
| C. | Compositae |
| D. | Solanaceae |
| Answer» C. Compositae | |
| 7810. |
An example of monocot fibre yielding plant in [BHU 1982; CBSE PMT 1988; CPMT 2001] |
| A. | Corchorus |
| B. | Cocos nucifera |
| C. | Cotton |
| D. | Crotolaria |
| Answer» C. Cotton | |
| 7811. |
Which of the product is having epidermal origin [CPMT 1980; DPMT 1982; Pune CET 1998] |
| A. | Saffron |
| B. | Cotton fibre |
| C. | Clove |
| D. | Jute |
| Answer» C. Clove | |
| 7812. |
Which family contain fibre yielding plants |
| A. | Urticaceae |
| B. | Leguminoceae |
| C. | Amaryllidaceae |
| D. | All the above |
| Answer» E. | |
| 7813. |
The flax fibre, the bast fibre or phloem fibres are obtained from [BHU 1979, 89; AIIMS 1982; MP PMT 1989; CPMT 1991] |
| A. | Cannabis sativa |
| B. | Crotolaria juncea |
| C. | Cocos nucifera |
| D. | Linum usitatissimum |
| Answer» E. | |
| 7814. |
The source of cotton is |
| A. | Calotropis procera |
| B. | Gossypium herbaceum |
| C. | Cannabis sativa |
| D. | Crotoleria juncea |
| Answer» C. Cannabis sativa | |
| 7815. |
Which of the following fibre is a pure cellulose |
| A. | Cotton fibre |
| B. | Flax fibre |
| C. | Sunn hemp |
| D. | All the above |
| Answer» B. Flax fibre | |
| 7816. |
The morphology of flax fibre is |
| A. | Secondary xylen |
| B. | Secondary phloem |
| C. | Pericycle |
| D. | Bark |
| Answer» D. Bark | |
| 7817. |
Patsan is a common cordage fibre. It is obtained from the stem of |
| A. | Cannavis sativa |
| B. | Hibiscus cannabinus |
| C. | Musa textilis |
| D. | Agave sisliana |
| Answer» C. Musa textilis | |
| 7818. |
Linen and cambric cloth is made from |
| A. | Cotton fibre |
| B. | Flax fibre |
| C. | Jute fibre |
| D. | Sunn hemp |
| Answer» C. Jute fibre | |
| 7819. |
What is the genomic constitution of old world varieties of cotton (Gossypium arboreum, G. herbaceum) and new world variaties (G. hirsutum, G. barbedens) |
| A. | All diploids |
| B. | All triploids |
| C. | Old world 3n and new world 2n |
| D. | Old world 2n and new world 4n |
| Answer» E. | |
| 7820. |
Jute Agricultural Research Institute (JARI) is situated at |
| A. | Lucknow (UP) |
| B. | Barrackpore (West Bengal) |
| C. | Shillong (Assam) |
| D. | Dhaka (Bangladesh) |
| Answer» C. Shillong (Assam) | |
| 7821. |
The largest fibre crop of east India is |
| A. | Jute |
| B. | Flax |
| C. | Cotton |
| D. | Coir |
| Answer» B. Flax | |
| 7822. |
Which families have fibre plants |
| A. | Bombacaceae |
| B. | Moraceae |
| C. | Tiliaceae |
| D. | All the above |
| Answer» E. | |
| 7823. |
Matunga, Bombay has one of the following institutes |
| A. | Industrial Toxicology Research Laboratory |
| B. | Cotton Technology Research Laboratory |
| C. | National Institute of Oceanography |
| D. | Llyod Botanical Garden |
| Answer» C. National Institute of Oceanography | |
| 7824. |
Lint and Fuzz are characteristics of the fibres of |
| A. | Flax |
| B. | Jute |
| C. | Cotton |
| D. | Coir |
| Answer» D. Coir | |
| 7825. |
Important plant part 'leaf bases' is of |
| A. | Manila hemp |
| B. | Madras hemp |
| C. | Sun hemp |
| D. | Kankura |
| Answer» B. Madras hemp | |
| 7826. |
Munj is prepared from the leaf of |
| A. | Saccharum munja |
| B. | Saccharum officinarum |
| C. | Both a and b |
| D. | None of the above |
| Answer» B. Saccharum officinarum | |
| 7827. |
Which of the fibre is obtained for paper making |
| A. | Pinus sp. |
| B. | Populus sp. |
| C. | Fagus sp. |
| D. | All the above |
| Answer» E. | |
| 7828. |
Tapa cloth is obtained from the member of family |
| A. | Asclepiadaceae |
| B. | Moraceae |
| C. | Graminae |
| D. | None of the above |
| Answer» C. Graminae | |
| 7829. |
Red silk cotton is obtained from |
| A. | Salmelia melebarica |
| B. | Cochlo spermum |
| C. | Calotropis gigantia |
| D. | Calotropis procera |
| Answer» B. Cochlo spermum | |
| 7830. |
Wicker work fibre is obtained from |
| A. | Cotton |
| B. | Linum |
| C. | Bambusa |
| D. | All the above |
| Answer» D. All the above | |
| 7831. |
Fibrous mesocarp is present in |
| A. | Cocos nucifera |
| B. | Gossypium herbaceum |
| C. | Senseviera |
| D. | None of the above |
| Answer» B. Gossypium herbaceum | |
| 7832. |
Which of the following families have fibre producing plants |
| A. | Gramineae |
| B. | Malvaceae |
| C. | Linaceae |
| D. | All the above |
| Answer» E. | |
| 7833. |
Bowstring hemp is obtained from |
| A. | Phormium |
| B. | Senseviera |
| C. | Cocos nucifera |
| D. | Areca |
| Answer» C. Cocos nucifera | |
| 7834. |
Agave fibre is obtained from |
| A. | A. cantala |
| B. | A. sisalana |
| C. | A. funkiana |
| D. | All the above |
| Answer» E. | |
| 7835. |
Manila hemp is obtained from |
| A. | Musaceae |
| B. | Liliaceae |
| C. | Amaryllidaceae |
| D. | Malvaceae |
| Answer» B. Liliaceae | |
| 7836. |
Ramie fibre is obtained from the member of family |
| A. | Cruciferae |
| B. | Leguminoceae |
| C. | Urticaceae |
| D. | None of the above |
| Answer» D. None of the above | |
| 7837. |
Fish net is prepared from |
| A. | Gossypium |
| B. | Corchorus |
| C. | Linum usitattissimum |
| D. | None of the above |
| Answer» D. None of the above | |
| 7838. |
Pericycle of which of the plant contains fibre |
| A. | Cotton |
| B. | Flax |
| C. | Cocos nucifera |
| D. | All the above |
| Answer» C. Cocos nucifera | |
| 7839. |
Cotton fibres are made up of |
| A. | Protein |
| B. | Fats |
| C. | Polysaccharides |
| D. | None of the above |
| Answer» D. None of the above | |
| 7840. |
Double fertilization is a characteristic of [AFMC 1984; CPMT 1987, 93, 94; Bihar 1995; BHU 1999, 2000; Kerala CET 2003; MP PMT 2004] |
| A. | Gymnosperms |
| B. | Bryophytes |
| C. | Angiosperms |
| D. | Pteridophytes |
| Answer» D. Pteridophytes | |
| 7841. |
Development of an egg without fertilization is called [CPMT 1972] |
| A. | Gametogenesis |
| B. | Metagenesis |
| C. | Oogenesis |
| D. | Parthenogenesis |
| Answer» E. | |
| 7842. |
When pollen tube enters by integuments, then the process is called [CPMT 1989, 91; MHCET 2000; MP PMT 2004] |
| A. | Mesogamy |
| B. | Porogamy |
| C. | Chalazogamy |
| D. | Pseudogamy |
| Answer» B. Porogamy | |
| 7843. |
The sperm produces substances of enzymatic nature called sperm lysin. In mammals, it is called [DPMT 1986; MP PMT 2001 KCET 2001] |
| A. | Hyaluronidase |
| B. | Hyaluranic acid |
| C. | Androgamone |
| D. | Cryanogamone |
| Answer» B. Hyaluranic acid | |
| 7844. |
Double fertilization was discovered by [CPMT 1990, 93, 96, 99; RPMT 1995; MP PMT 1999; BHU 2003] |
| A. | Karl Schnarf |
| B. | P. Maheshwari |
| C. | S.G. Nawaschin |
| D. | B.G.L. Swamy |
| Answer» D. B.G.L. Swamy | |
| 7845. |
After a sperm has penetrated an ovum in the process of fertilization, entry of further sperms is prevented by [NCERT 1984] |
| A. | Development of the vitelline membrane |
| B. | Development of the pigment coat |
| C. | Condensation of yolk |
| D. | Formation of fertilization membrane |
| Answer» E. | |
| 7846. |
Syngamy means [CBSE PMT 1991] |
| A. | Fusion of similar spores |
| B. | Fusion of dissimilar spores |
| C. | Fusion of cytoplasm |
| D. | Fusion of gametes |
| Answer» E. | |
| 7847. |
Fertilization occurs in human, rabbit and other placental mammals in [CPMT 1978, 79, 81, 89, 94; DPMT 1985; AIIMS 1993; MP PMT 1993, 95; Kerala CET 2002; RPMT 2002] |
| A. | Ovary |
| B. | Uterus |
| C. | Fallopian tubes |
| D. | Vagina |
| Answer» D. Vagina | |
| 7848. |
Female gametophyte of a typical dicot at the time of fertilization is [AFMC 1976; BHU 1980; CBSE PMT 1993; AIIMS 2000] |
| A. | 8 celled |
| B. | 7 celled |
| C. | 6 celled |
| D. | 4 celled |
| Answer» C. 6 celled | |
| 7849. |
Syngamy is the process in which |
| A. | Male gamete fuses with female gamete |
| B. | Pollen tube enters into the ovule through micropyle |
| C. | Pollen tube enter into the ovule through chalaza |
| D. | Vegetative cell and tube cell fuse |
| Answer» B. Pollen tube enters into the ovule through micropyle | |
| 7850. |
The sperm penetrates the ovum mainly [AIEEE 2004] |
| A. | Mechanically |
| B. | Chemically |
| C. | Electrostatically |
| D. | Thermally |
| Answer» C. Electrostatically | |