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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.
| 8401. |
In plants cells, the dictysomes are derived from [Kashmir MEE 1995] |
| A. | ER |
| B. | Plasma membrane |
| C. | Mitochondria |
| D. | Tonoplast |
| Answer» B. Plasma membrane | |
| 8402. |
The golgi apparatus contains [AIIMS 1993] |
| A. | DNA |
| B. | RNA |
| C. | Phospholipids, proteins, enzymes and vitamin C |
| D. | Protein-lipid-protein. |
| Answer» D. Protein-lipid-protein. | |
| 8403. |
In plant cells the number of golgi bodies increases during [MP PMT 1997] |
| A. | Cell division |
| B. | Food synthesis |
| C. | Translocation |
| D. | Respiration |
| Answer» C. Translocation | |
| 8404. |
Flattened sacs of golgi bodies are separated from each other by a space which is |
| A. | \[\text{13}\overset{\text{o}}{\mathop{\text{A}}}\,\] |
| B. | \[\text{130}\overset{\text{o}}{\mathop{\text{A}}}\,\] |
| C. | \[\text{113}\overset{\text{o}}{\mathop{\text{A}}}\,\] |
| D. | \[\text{130}\overset{\text{o}}{\mathop{\text{A}}}\,\] |
| Answer» E. | |
| 8405. |
Golgi body originated from [CPMT 2002; AFMC 2003] |
| A. | Lysosome |
| B. | Endoplasmic reticulum |
| C. | Mitochondria |
| D. | Cell membrane |
| Answer» C. Mitochondria | |
| 8406. |
Least stable endoplasmic reticulum is |
| A. | Rough E.R. |
| B. | Smooth E.R. |
| C. | Cisternae |
| D. | Tubules |
| Answer» C. Cisternae | |
| 8407. |
Which of the following is responsible for mechanical support, enzyme transport and protein synthesis [AIIMS 1999; CBSE PMT 2000] |
| A. | Dictyosomes |
| B. | Cell membrane |
| C. | Mitochondria |
| D. | Endoplasmic reticulum |
| Answer» E. | |
| 8408. |
RER is mainly concerned with [RPMT 1999] |
| A. | Proteolysis |
| B. | Fatty acids synthesis |
| C. | Peptide bond formation |
| D. | Cholesterol synthesis |
| Answer» D. Cholesterol synthesis | |
| 8409. |
The endoskeleton of cell is made up of [AFMC 1984; AIEEE 2003; DPMT 2003; BVP 2004] |
| A. | Cell wall |
| B. | Endoplasmic reticulum |
| C. | Cytoplasm |
| D. | Mitochondria |
| Answer» C. Cytoplasm | |
| 8410. |
The fine network of single unit membrane distributed extensively throughout the cytoplasm in a cell is referred to as |
| A. | Golgi bodies |
| B. | Peroxisome |
| C. | Lysosome |
| D. | Endoplasmic reticulum |
| Answer» E. | |
| 8411. |
The endoplasmic reticulum often bears [MP PMT 1994; J & K CET 2005] |
| A. | Lysosomes |
| B. | Centrioles |
| C. | Peroxisomes |
| D. | Ribosomes |
| Answer» E. | |
| 8412. |
In rapidly dividing cells, endoplasmic reticulum is [MP PMT 1994] |
| A. | Highly developed |
| B. | Poorly developed |
| C. | Absent |
| D. | Non-functional |
| Answer» C. Absent | |
| 8413. |
Single unit membrane structure present in the cytoplasm in the form of a net is |
| A. | Golgi complex |
| B. | Microtubules |
| C. | Microsomes |
| D. | Endoplasmic reticulum |
| Answer» E. | |
| 8414. |
SER produces [Kerala CET 2002] |
| A. | Protein |
| B. | Carbohydrate |
| C. | Lipid |
| D. | Nucleic acid |
| Answer» D. Nucleic acid | |
| 8415. |
The best example of polyembryony is [BHU 1983; DPMT 2004] |
| A. | Cocos |
| B. | Pea |
| C. | Capsicum |
| D. | Pinus |
| Answer» E. | |
| 8416. |
Formation, growth and development of a new individual beginning from egg is known as [AFMC 1979; MP PMT 1999] |
| A. | Embryology |
| B. | Cytology |
| C. | Genetics |
| D. | Ethnobotany |
| Answer» B. Cytology | |
| 8417. |
In angiosperms, free nuclear divisions occurs during [AFMC 1975; BHU 1977] |
| A. | Gamete formation |
| B. | Embryo formation |
| C. | Endosperm formation |
| D. | Flower formation |
| Answer» D. Flower formation | |
| 8418. |
Famous embryologist who advanced the science of embryology in India is |
| A. | Ramdas |
| B. | N. Maheshwari |
| C. | Swaminathan |
| D. | P. Maheshwari |
| Answer» E. | |
| 8419. |
Which of the following in spite of being dicot lacks cotyledons [HP PMT 2005] |
| A. | Cuscuta |
| B. | Pistia |
| C. | Dianthus |
| D. | Ranunculus |
| Answer» B. Pistia | |
| 8420. |
Function of embryonal suspensor in angiosperms is to [CPMT 2005] |
| A. | Serve as channel for \[{{H}_{2}}O\] |
| B. | Push embryo deeper into endosperm |
| C. | Release growth hormones |
| D. | Transfer nutrients from parent sporophyte to young embryo |
| Answer» C. Release growth hormones | |
| 8421. |
In a seed of maize, scutellum is considered as cotyledon because it [AIEEE 2004] |
| A. | Protects the embryo |
| B. | Contains food for the embryo |
| C. | Absorbs food materials and supplies them to the embryo |
| D. | Converts itself into a monocot leaf |
| Answer» D. Converts itself into a monocot leaf | |
| 8422. |
Endosperm of gymnosperm is [Orissa JEE 2004] |
| A. | Diploid |
| B. | Tetraploid |
| C. | Haploid |
| D. | None of these |
| Answer» D. None of these | |
| 8423. |
Aleurone layer in Maize is present towards [MHCET 2003; CPMT 2005] |
| A. | Periphery of endosperm |
| B. | Periphery of scutellum |
| C. | Periphery of coleoptile |
| D. | Periphery of coleorhiza |
| Answer» B. Periphery of scutellum | |
| 8424. |
When the inner half of the oospore after the first division develops into an embryo and outer half develops into suspensor. This type of development is called |
| A. | Endosporic |
| B. | Endoscopic |
| C. | Exosporic |
| D. | Exoscopic |
| Answer» C. Exosporic | |
| 8425. |
Which of the following workers are related as ecologist, palaeobotanist and embryologist [BHU 2003] |
| A. | B. Sahni, R. Mishra, P. Maheshwari |
| B. | R. Mishra, B. Sahni, P. Maheshwari |
| C. | B. Sahni, P. Maheshwari, R. Mishra |
| D. | P. Maheshwari, R. Mishra, B. Sahni |
| Answer» C. B. Sahni, P. Maheshwari, R. Mishra | |
| 8426. |
Xenia and metaxenia terms are related with [AIIMS 2002] |
| A. | Pollen culture |
| B. | Only endosperm |
| C. | Xylem and phloem |
| D. | Pollen and endosperm |
| Answer» E. | |
| 8427. |
The endosperm in angiosperms develops from [MP PMT 2002; BHU 2004] |
| A. | Micropylar polar nucleus |
| B. | Chalazal polar nucleus |
| C. | Secondary nucleus |
| D. | Zygote |
| Answer» D. Zygote | |
| 8428. |
Nuclear polyembryony is found in [CPMT 1994] |
| A. | Citrus |
| B. | Mango |
| C. | Banana |
| D. | Sugarcane |
| Answer» B. Mango | |
| 8429. |
In angiosperms, the oospore on development produces [CBSE PMT 1993] |
| A. | Seed |
| B. | Embryo |
| C. | Protonema |
| D. | Endosperm |
| Answer» C. Protonema | |
| 8430. |
Fat is present in large quantities in the tissues of which of the following [DPMT 1978] |
| A. | Cotton fiber |
| B. | Tuber of potato |
| C. | Coconut endosperm |
| D. | Embryo of pea |
| Answer» D. Embryo of pea | |
| 8431. |
Endosperm of angiosperms results after fertilization from [BHU 1991] |
| A. | Antipodal cells |
| B. | Zygote |
| C. | Synergids |
| D. | Secondary nucleus |
| Answer» E. | |
| 8432. |
Presence of many embryos (Polyembryony) is a characteristic feature of [CBSE PMT 1995; CPMT 1995, 98] |
| A. | Citrus |
| B. | Mango |
| C. | Banana |
| D. | None of these |
| Answer» B. Mango | |
| 8433. |
When vegetative cell of zygote form embryo, it is called [BHU 1995] |
| A. | Apospory |
| B. | Apomixis |
| C. | Diploid polyembryony |
| D. | Adventive polyembryony |
| Answer» E. | |
| 8434. |
The endosperm in angiosperms is formed |
| A. | After fertilization |
| B. | Before fertilization |
| C. | Along with fertilization |
| D. | Before pollen discharge |
| Answer» B. Before fertilization | |
| 8435. |
The embryo in sunflower has [CBSE PMT 1998; BHU 2002] |
| A. | No cotyledon |
| B. | One cotyledon |
| C. | Two cotyledons |
| D. | Many cotyledons |
| Answer» D. Many cotyledons | |
| 8436. |
The role of double fertilization in angiosperms is to produce [CBSE PMT 1998] |
| A. | Endosperm |
| B. | Integuments |
| C. | Cotyledons |
| D. | Endocarp |
| Answer» B. Integuments | |
| 8437. |
Endosperm in Angiosperm is [MP PMT 1998, 99, 2001; CPMT 2002] |
| A. | Haploid |
| B. | Diploid |
| C. | Triploid |
| D. | Polyploid |
| Answer» D. Polyploid | |
| 8438. |
If an angiospermic male plant is diploid and female plant tetraploid, the ploidy level of endosperm will be [CBSE PMT 1997] |
| A. | Haploid |
| B. | Triploid |
| C. | Tetraploid |
| D. | Pentaploid |
| Answer» E. | |
| 8439. |
In angiosperms endosperm is formed by [MP PMT 1993; CBSE PMT 2000; CPMT 2001] |
| A. | Free nuclear divisions of megaspore |
| B. | Division of fused polar nuclei |
| C. | Division of fused polar nuclei and male gamete |
| D. | Division of fused synergids and male gamete |
| Answer» D. Division of fused synergids and male gamete | |
| 8440. |
The endosperm of Brassicais [DPMT 1992] |
| A. | Haploid |
| B. | Diploid |
| C. | Triploid |
| D. | Tetraploid |
| Answer» D. Tetraploid | |
| 8441. |
Which of the following is a non-endospermic monocot seed [Bihar 1991] |
| A. | Plumbago |
| B. | Castor |
| C. | Linseed |
| D. | Alisma |
| Answer» E. | |
| 8442. |
If the number of chromosomes in endosperm of a dicot plant is 36, the root cells will contain [Bihar 1992] |
| A. | 72 chromosomes |
| B. | 28 chromosomes |
| C. | 24 chromosomes |
| D. | 48 chromosomes |
| Answer» D. 48 chromosomes | |
| 8443. |
One celled suspensor is found in |
| A. | Solanum |
| B. | Hedera |
| C. | Petunia |
| D. | Triticum |
| Answer» E. | |
| 8444. |
The outermost layer of endosperm of maize grain is called [CPMT 1993] |
| A. | Epidermis |
| B. | Tunica |
| C. | Aleurone |
| D. | Pericarp |
| Answer» D. Pericarp | |
| 8445. |
The sequence of development of embryo sac is [AIIMS 1993] |
| A. | Archesporium ® megaspore mother cell ® megaspore ® embryo sac |
| B. | Archesporium ® megaspore ® megaspore mother cell ® embryo sac |
| C. | Archesporium ® megaspore ® megasporophyte ® embryo sac |
| D. | None of the above |
| Answer» B. Archesporium ® megaspore ® megaspore mother cell ® embryo sac | |
| 8446. |
Triploid plants can be obtained from culture of [AIIMS 1993] |
| A. | Pollen |
| B. | Endosperm |
| C. | Ovule |
| D. | Megaspore |
| Answer» C. Ovule | |
| 8447. |
Ruminate endosperm is commonly found in seeds of [BHU 1986, 87] |
| A. | Cruciferae |
| B. | Compositae |
| C. | Euphorbiaceae |
| D. | Anonaceae (Areca nut) |
| Answer» E. | |
| 8448. |
Proteinaceous endosperm of maize is called [DPMT 1987] |
| A. | Apophysis |
| B. | Scutellum |
| C. | Aleurone layer |
| D. | None of the above |
| Answer» D. None of the above | |
| 8449. |
Nucellar embryo is [AIIMS 1993; CBSE PMT 1989] |
| A. | Apomictic embryo |
| B. | Amphimictic haploid |
| C. | Adventitive embryony |
| D. | Amphimictic diploid |
| Answer» D. Amphimictic diploid | |
| 8450. |
Milky water of green coconut is [CPMT 1990; Manipal MEE 1995; Kerala PMT 2004] |
| A. | Liquid nucellus |
| B. | Liquid of female gametophyte |
| C. | Liquid endosperm |
| D. | Liquid embryo |
| E. | Liquid gametes |
| Answer» D. Liquid embryo | |