MCQOPTIONS
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MCQOPTIONS
This section includes 5751 Mcqs, each offering curated multiple-choice questions to sharpen your Biology knowledge and support exam preparation. Choose a topic below to get started.
| 501. |
A brightly coloured bract like covering associated with the banana inflorescence is called: |
| A. | Spathe |
| B. | Scape |
| C. | Spiral |
| D. | Scapigeron |
| Answer» B. Scape | |
| 502. |
Perianth is found in a flower in which : |
| A. | Calyx and Corolla are not distinguishable |
| B. | Stamens are leaf like |
| C. | Corolla leaf- like but calyx is colored |
| D. | None of the above |
| Answer» B. Stamens are leaf like | |
| 503. |
An underground specialized shoot with reduced disc like stem covered by fleshy leaves is:(J.K.R.E.T. 2000) |
| A. | bulb |
| B. | Rhizome |
| C. | rhizophore |
| D. | bulbil |
| Answer» B. Rhizome | |
| 504. |
Placentation in legumes is: (N.C.E.R.T.1988,C.P.M.T. 19977) |
| A. | Basal |
| B. | Marginal |
| C. | Axile |
| D. | Free central |
| Answer» C. Axile | |
| 505. |
The leaves are modified into tendrils, hooks, pitcher ,and bladder in the following plants respectively: |
| A. | sweet pea, bignonia, Nepenthes, Utricularia |
| B. | sweet pea, bignonia, Utricularia, Nepenthes, |
| C. | Nepenthes , bignonia, sweet pea, Utricularia |
| D. | Utricularia, Nepenthes, bignonia, sweet pea |
| Answer» B. sweet pea, bignonia, Utricularia, Nepenthes, | |
| 506. |
Mangrove plant live in: |
| A. | Alpine Tundra |
| B. | Tundra |
| C. | Marshy areas along rivers |
| D. | Marshy areas along sea shore |
| Answer» E. | |
| 507. |
Tallest gymnosperm : (AFMC 2006) |
| A. | sequoia |
| B. | Eucalyptus |
| C. | Pinus |
| D. | Rannuncoulus |
| Answer» B. Eucalyptus | |
| 508. |
A pair of insectivorous plant is: ( C.B.S.E. 1999) |
| A. | Dionaea and viscum |
| B. | Nepenthes and bladderwort |
| C. | Drosera and rafflesia |
| D. | Venus fly and Rafflesia |
| Answer» C. Drosera and rafflesia | |
| 509. |
Diadelphous condition is present on: |
| A. | Citru |
| B. | Bombyx |
| C. | Pisum |
| D. | Brassica |
| Answer» D. Brassica | |
| 510. |
A phyllode is a modified: (Kerala CET 2004) |
| A. | leaf |
| B. | stem |
| C. | root |
| D. | branch |
| Answer» B. stem | |
| 511. |
A fibrous root system is better adapted than tap root system for: |
| A. | Storage food (B.H.U. 1993) |
| B. | Anchorage of plant to soil |
| C. | Absorption of water and organic fo |
| Answer» C. Absorption of water and organic fo | |
| 512. |
Succulents are likely to be found in: |
| A. | Tropical rain forest |
| B. | Deciduous forest |
| C. | Deserts |
| D. | Tundra |
| Answer» D. Tundra | |
| 513. |
Root pocket does not occur in : (Orrisa 2004) |
| A. | Ipomoea |
| B. | Mangrove plants |
| C. | trapa |
| D. | pistia |
| Answer» E. | |
| 514. |
Viscum is: (AFMC 2004) |
| A. | total stem parasite |
| B. | total root parasite |
| C. | partial stem parasite |
| D. | partial root parasite |
| Answer» D. partial root parasite | |
| 515. |
In a compound umbel each umbellate is subtended by: |
| A. | Involucre |
| B. | Bracket |
| C. | Involucel |
| D. | Bracteole |
| Answer» C. Involucel | |
| 516. |
Vexillary aestivation is characteristic of the family: |
| A. | Asteraceae |
| B. | Solanaceae |
| C. | Brassicaceae |
| D. | Fabaceae |
| Answer» E. | |
| 517. |
Pappus is a modification of : |
| A. | Calyx |
| B. | Corolla |
| C. | Stamens |
| D. | Gynoecium |
| Answer» B. Corolla | |
| 518. |
Which is not a stem modification? (A.F.M.C. 1988) |
| A. | Rhizome of Ginger |
| B. | Corm of Colocasia |
| C. | Pitcher of Nepenthes |
| D. | tuber of potato |
| Answer» D. tuber of potato | |
| 519. |
Leaf apex is modified into tendril in: |
| A. | Smilax |
| B. | Gloriosa |
| C. | Australian acacia |
| D. | Pea |
| Answer» C. Australian acacia | |
| 520. |
Staments with free anthers but filaments fused into a number of groups are; |
| A. | Polyadelphou |
| B. | Diadelphous |
| C. | Monadelphous |
| D. | Syngenesious |
| Answer» B. Diadelphous | |
| 521. |
Number of female flowers in a cyathium is:(keralaCET,05 UPCPMT,07 A.P.M.E.E. 1995) |
| A. | One |
| B. | Two |
| C. | Three |
| D. | Many |
| Answer» B. Two | |
| 522. |
In Cockroach wall of each malpighian tubule is lined by ..........and ..........cells. |
| A. | Secretory and non-ciliated surface |
| B. | Glandular and ciliated |
| C. | Squamous and smooth surfaced |
| D. | Striated and ciliated |
| Answer» C. Squamous and smooth surfaced | |
| 523. |
Cockroach is a .......... animal and development is .......... . |
| A. | Viviparous, direct |
| B. | Oviparous, direct |
| C. | Oviparous, indirect |
| D. | Ovoviviparous, direct |
| Answer» D. Ovoviviparous, direct | |
| 524. |
In Cockroach waste products collected is malpighian tubules will first enter in .......... . |
| A. | Gizzard |
| B. | Hepatic caeca |
| C. | Haemocoel |
| D. | Hindgut |
| Answer» E. | |
| 525. |
In male Cockroach the sperms stored in seminal vesicles form .......... . |
| A. | Spermatophore |
| B. | Zygote |
| C. | Testis |
| D. | Ejaculatoryduct |
| Answer» B. Zygote | |
| 526. |
Which is the coorect word for vision of Cockroach ? |
| A. | Three dimentional |
| B. | Two dimentional |
| C. | Mosaic |
| D. | Cockroach donot have vision |
| Answer» D. Cockroach donot have vision | |
| 527. |
In the monocotyledonous seeds the endosperm is separated from the embryo by a distinct layerknown as: (Kerala 2008) |
| A. | testa |
| B. | epithelial layer |
| C. | tegmen |
| D. | scutellum (e) coleoptile |
| Answer» C. tegmen | |
| 528. |
Phylloclades are: (JKCMEE 2004) |
| A. | leaf modification |
| B. | one internode and long stem |
| C. | modified petioles |
| D. | green succulent stem of indefinite growth |
| Answer» E. | |
| 529. |
Howmany abdominal segments are present in male and female Cockroach ? (Kerala PMT 2008) |
| A. | 10, 10 |
| B. | 9, 10 |
| C. | 8, 10 |
| D. | 9, 9 |
| Answer» B. 9, 10 | |
| 530. |
.......... is the accessory reproductive gland with testis in male Cockroch. |
| A. | Chitinous gonapophysi |
| B. | Ejaculatory duct |
| C. | Vas deferens |
| D. | Mashroom shaped gland |
| Answer» E. | |
| 531. |
Which of the following is the function of malpighian tubules of Cockraoch ? |
| A. | Absorption of waste from haemolymph and convert them into uric acid. |
| B. | Removes CO2 |
| C. | Store solid excretory material |
| D. | Reabsorption of water from the hindgut. |
| Answer» B. Removes CO2 | |
| 532. |
In Cockroch colour of malpighian tubules is .......... and their .......... end is blind. |
| A. | Green, anterior |
| B. | Green, posterior |
| C. | Yellow, anterior |
| D. | Yellow, free (distal) |
| Answer» E. | |
| 533. |
How many ganglia are present in abdominal region of Cockroach ? |
| A. | 3 pair |
| B. | 6 pairs |
| C. | 4 pairs |
| D. | 8 pairs |
| Answer» C. 4 pairs | |
| 534. |
In Cockroach by which process malpighian tubules absorb waste from the haemocoel ? |
| A. | Osmosi |
| B. | Endosmosis |
| C. | Diffusion |
| D. | Exosmosis |
| Answer» D. Exosmosis | |
| 535. |
Sperms from the spermatophores in male Cockroach are discharged during .......... . |
| A. | Fertilization |
| B. | Meiotic division |
| C. | Copulation |
| D. | Spermatogenesis |
| Answer» D. Spermatogenesis | |
| 536. |
In Cockroach .......... ganglia innervate the mouth pairs. |
| A. | Supraoesophageal |
| B. | Suboesophageal |
| C. | Circumoesophageal |
| D. | Three ganglia of thorax region |
| Answer» C. Circumoesophageal | |
| 537. |
Write location and numbers of malpighian tubules in periplaneta. |
| A. | At the junction of midgut and hindgut, about 150. |
| B. | At the junction of foregut and midgut, about 150. |
| C. | Surrounding gizzard, eight. |
| D. | At the junction of colon and rectum, eight. |
| Answer» B. At the junction of foregut and midgut, about 150. | |
| 538. |
Fertilization occurs in Cockroach in .......... . |
| A. | Ovary |
| B. | Ovarian tubule |
| C. | Genital chamber |
| D. | Ootheca |
| Answer» D. Ootheca | |
| 539. |
Ootheca of Cockroach has .......... eggs which are .......... . |
| A. | 14 to 16, fertilized |
| B. | 12 to 14, fertilized |
| C. | 14 to 16 unfertilized |
| D. | 12 to 14 unfertilized |
| Answer» B. 12 to 14, fertilized | |
| 540. |
In each ovary of female Cockroach the most developed ova are placed at .......... . |
| A. | Anywhere is ovarian tubule |
| B. | At the origin of ovarian tubules |
| C. | In the innerlayer of ovary |
| D. | At the distal free end of ovarian tubule |
| Answer» E. | |
| 541. |
Main excretory units in Cockroach are ........... . |
| A. | A pair of kidney |
| B. | Haemolymph |
| C. | Chitinous bristles |
| D. | Malpighian tubules |
| Answer» E. | |
| 542. |
In respiratory system of Cockroach .......... function as filters. |
| A. | Spiracle |
| B. | Chitinous bristles |
| C. | Ostia |
| D. | Tracheoles |
| Answer» C. Ostia | |
| 543. |
During copulation, in female Cockroach ovum comes in the .......... which is present in ..........cockroach. |
| A. | Ejaculatory duct is male |
| B. | Ovarian tubule is female |
| C. | Genital chamber in female |
| D. | Genital chamber is male |
| Answer» D. Genital chamber is male | |
| 544. |
Out of following which ganglia unite to from nervering in nervous system of Cockroach ? |
| A. | Suboesophageal, supraesophegeal and circum oesophageal commisures unite to form nervering. |
| B. | Three ganglia in thorax region and six ganglia of abdominal region unite to form nervering. |
| C. | Three pairs of ganglia in thorax region and six pairs in abdominal regions. |
| D. | Three pairs supraoesophageal and one pair suboesophageal ganglia unit to form nervering. |
| Answer» B. Three ganglia in thorax region and six ganglia of abdominal region unite to form nervering. | |
| 545. |
Which of the following is a group of senseorgans in Cockroach ? |
| A. | Antennae, eyes, maxillary palps, anal cerci |
| B. | Antennae, compound aye, maxillary palps |
| C. | Antennae, ommatidia, maxillary palps, sternum |
| D. | Antennae, eyes, maxillary palps, tarsus of walking legs and cerci. |
| Answer» E. | |
| 546. |
In male Cockroach testes are present in .......... segments of abdomen while mushroom glands occurs in .......... segments. |
| A. | 4 to 6, 5 to 6 |
| B. | 4 to 6, 6 to 7 |
| C. | 5 to 6, 4 to 6 |
| D. | 6 to 7, 4 to 6 |
| Answer» C. 5 to 6, 4 to 6 | |
| 547. |
With reference to excretion, Cockroach is .......... animal. |
| A. | Ammonotelic |
| B. | Uricotelic |
| C. | Ureotelic |
| D. | Ammonia and uricotelic |
| Answer» C. Ureotelic | |
| 548. |
Find the incorrect match. |
| A. | Stilt root - turnip |
| B. | Tap root - carrot |
| C. | Adventitious root - sweet potato |
| D. | Prop root- banyan tree |
| Answer» B. Tap root - carrot | |
| 549. |
Flower in which only set of one essential organ develops are call: (Kerala,PMT,04) |
| A. | Unisexual |
| B. | Monoecious |
| C. | Dioecious |
| D. | Polygamous |
| Answer» B. Monoecious | |
| 550. |
The nymph of Cockroach grows into an adult Cockroach by moulting .......... times. |
| A. | 10 to 12 |
| B. | 6 to 7 |
| C. | 8 to 10 |
| D. | 14 to 16 |
| Answer» C. 8 to 10 | |