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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.
| 8051. |
Two plants A and B are supplied with\[C{{O}_{2}}\]with\[{{H}_{2}}{{O}^{18}}\]and\[C{{O}_{2}}^{18}\]with\[{{H}_{2}}O\]respectively which of the following plant releases O18 type oxygen in photosynthesis [CPMT 2000] |
| A. | A plant |
| B. | B plant |
| C. | Both [a] and [b] |
| D. | First [a] and then [b] |
| Answer» B. B plant | |
| 8052. |
When a rat was placed into a closed container, it got suffocated and died but when a plant was also introduced into it, the rat survived. Who performed this experiment |
| A. | Ingenhousz |
| B. | Priestley |
| C. | Englemann |
| D. | Thimann |
| Answer» C. Englemann | |
| 8053. |
The graph given below shows the effect of potassium cyanide on the rate of photosynthesis of Chlorella at different light intensities. Which one of the following can be deduced from the graph |
| A. | Potassium cyanide appears to inhibit the light (Hill) reaction |
| B. | Potassium cyanide appears to absorb more light at high light intensities |
| C. | Potassium cyanide appears to inhibit photosynthesis equally at high and low light intensities |
| D. | Potassium cyanide appears to have no inhibiting effect on photosynthesis at low light intensities |
| Answer» E. | |
| 8054. |
Isotopes popularly known to have been used in the study of photosynthesis are [BHU 1985] |
| A. | \[{{C}^{14}}\]and\[{{O}^{18}}\] |
| B. | \[{{C}^{11}}\]and\[{{C}^{32}}\] |
| C. | \[{{C}^{16}}\]and\[{{N}^{15}}\] |
| D. | \[{{p}^{32}}\]and\[{{C}^{15}}\] |
| Answer» B. \[{{C}^{11}}\]and\[{{C}^{32}}\] | |
| 8055. |
Persons who received Nobel Prizes for their work with green plants are [NCERT 1984] |
| A. | Calvin and Waston |
| B. | Calvin and Borlang |
| C. | Beadle and Tatum |
| D. | Flemming and Waksman |
| Answer» C. Beadle and Tatum | |
| 8056. |
Blackman demonstrated that increasing illumination increased the photosynthetic rate upto a point when\[C{{O}_{2}}\]becomes limiting. If light was not limiting, temperature becomes limiting. Emerson found that maximum\[C {{O} _ {2}}\] fixation could be achieved with brief flashes of light. Mark the correct statement in the following [CPMT 1988, 89] |
| A. | Only one factor can be limited in photosynthesis |
| B. | Photosynthesis consists of a light and dark reaction |
| C. | The trapping of light by chloroplast is temperature dependent |
| D. | The trapping of light by chloroplast can occur only if\[C {{O} _ {2}}\] is present |
| Answer» C. The trapping of light by chloroplast is temperature dependent | |
| 8057. |
Algae used by Calvin and associates for photosynthetic research is [BHU 1987, 91; RPMT 2002] |
| A. | Chlorella |
| B. | Chlamydomonas |
| C. | Volvox |
| D. | All the above |
| Answer» B. Chlamydomonas | |
| 8058. |
The oxygen produced during photosynthesis comes from photolysis of water was first time proved by [MP PMT 1984, 88, 95] |
| A. | Ruben and Kamen |
| B. | Robert Mayer |
| C. | Malvin Calvin |
| D. | Blackman |
| Answer» B. Robert Mayer | |
| 8059. |
Moll's experiment shows [MP PMT 1989; AFMC 1987; KCET 2001] |
| A. | Unequal transpiration from two surfaces of leaf |
| B. | Relation between transpiration and absorption |
| C. | \[C{{O}_{2}}\]is required for photosynthesis |
| D. | Chlorophyll is essential for photosynthesis |
| Answer» D. Chlorophyll is essential for photosynthesis | |
| 8060. |
Which of the method is more effective to know the chemical pathway of a physiological process |
| A. | Titration method |
| B. | Calorimetric method |
| C. | Tracer technique |
| D. | None of the above |
| Answer» D. None of the above | |
| 8061. |
Which of the following radioactive oxygen was used to detect the source of oxygen in photosynthesis |
| A. | \[{{O}^{12}}\] |
| B. | \[{{O}^{16}}\] |
| C. | \[{{O}^{18}}\] |
| D. | \[{{O}^{15}}\] |
| Answer» C. \[{{O}^{18}}\] | |
| 8062. |
Anthropometry is useful in the study of [MH-CET 2004] |
| A. | Human evolution |
| B. | Human habits |
| C. | Human nature |
| D. | Human brains |
| Answer» B. Human habits | |
| 8063. |
Man was originated in which of the following era [MH-CET 2000] |
| A. | Paleocene |
| B. | Pliocene |
| C. | Miocene |
| D. | Devonian |
| Answer» C. Miocene | |
| 8064. |
The modern man differs from the apes in [BHU 2004] |
| A. | Protruding eyes |
| B. | Spare body hair |
| C. | Wearing of clothes |
| D. | Arms shorter than legs |
| Answer» E. | |
| 8065. |
The highest cranial capacity is/was present is [BHU 2004] |
| A. | Java man |
| B. | Peking man |
| C. | Handy man |
| D. | Modern man |
| Answer» E. | |
| 8066. |
Fossils of Australopithecus were first found is [Pb. PMT 2004] |
| A. | America |
| B. | Australia |
| C. | S. Africa |
| D. | E. Africa |
| Answer» D. E. Africa | |
| 8067. |
Ancestors of mammals belongs to [Kerala PMT 2004] |
| A. | Ornithischia |
| B. | Therapsida |
| C. | Silusidea |
| D. | Chelonia |
| E. | (e) None of these |
| Answer» C. Silusidea | |
| 8068. |
In evolution.......evolved 1st time in annelida [Orissa JEE 2004] |
| A. | Cephlaization |
| B. | True coelome |
| C. | Bilateral symmetry |
| D. | Triploblastic nature |
| Answer» C. Bilateral symmetry | |
| 8069. |
What kind of evidence suggested that man is more closely related with chimpanzee than with other hominoid apes [CBSE PMT 2004] |
| A. | Evidence from fossil remains, and the fossil mitochosomes, DNA alone |
| B. | Evidence from DNA extracted from sex chromosomes, autosomes and mitochondria |
| C. | Evidence from DNA from sex chromosomes only |
| D. | Comparison of chromosomes morphology only |
| Answer» C. Evidence from DNA from sex chromosomes only | |
| 8070. |
Which of the following is more close man [MP PMT 2004] |
| A. | Pro-consul |
| B. | Dryopithicus |
| C. | Gibbon |
| D. | Orangutan |
| Answer» C. Gibbon | |
| 8071. |
Cranial capacity of Neanderthal man is [CPMT 1998] |
| A. | \[1350-1500\,\,c{{m}^{2}}\]. |
| B. | \[1400-1450\,\,c{{m}^{2}}\] |
| C. | \[915-1250\,\,c{{m}^{3}}\] |
| D. | \[750-900\,\,c{{m}^{3}}\] |
| Answer» C. \[915-1250\,\,c{{m}^{3}}\] | |
| 8072. |
Neanderthal man differs from modern man in [CPMT 1980, 83] |
| A. | Receding jaws |
| B. | Protruding jaws |
| C. | Could make good tools |
| D. | Could make good pictures |
| Answer» C. Could make good tools | |
| 8073. |
The fossils of Sinanthropus pekinensis have been discovered in which epoch [MP PMT 1994] |
| A. | Pleistocene |
| B. | Pliocene |
| C. | Eocene |
| D. | Palaeocene |
| Answer» B. Pliocene | |
| 8074. |
Cranial capacity of modern man is [MP PMT 1994] |
| A. | \[350-400\,\,c{{m}^{3}}\] |
| B. | \[500-1000\,\,c{{m}^{3}}\] |
| C. | \[915-1700\,\,c{{m}^{3}}\] |
| D. | \[1350-1500\,\,c{{m}^{3}}\] |
| Answer» E. | |
| 8075. |
Connecting link between man and ape was [DPMT 1992] |
| A. | Java man |
| B. | Ape man |
| C. | Java ape man |
| D. | Ramapithacus |
| Answer» C. Java ape man | |
| 8076. |
Which of the following is the correct order of evolutionary history of man [CBSE PMT 2001] |
| A. | Peking man, heidel berg man, neanderthal, cro-magnon |
| B. | Peking man, homosapiens, cro-magnon, neanderthal |
| C. | Peking man, neanderthal, homosapiens, heidelberg, |
| D. | Peking man, cro-magnon, homosapiens, Neanderthal |
| Answer» B. Peking man, homosapiens, cro-magnon, neanderthal | |
| 8077. |
Which one of the following character differentiate man from other mammals [RPMT 2000] |
| A. | Superior Intelligence |
| B. | Power of speech |
| C. | Social life |
| D. | Greater cranial capacity |
| Answer» E. | |
| 8078. |
The closest relative of modern day man is considered to be [AFMC 1997] |
| A. | Chimpanzee |
| B. | Orangutan |
| C. | Apes |
| D. | Gibbon |
| Answer» D. Gibbon | |
| 8079. |
Which of the following was the transitional stage between apes and humans [AIIMS 2000] |
| A. | Homo habilis |
| B. | Homo erectus |
| C. | Australopithecus ramidus |
| D. | Australopithecus africanus |
| Answer» D. Australopithecus africanus | |
| 8080. |
Common origin of man and chimpanzee is best shown by [CBSE PMT 1997] |
| A. | Dental formula |
| B. | Cranial capacity |
| C. | Binocular vision |
| D. | Chromosome number |
| Answer» E. | |
| 8081. |
The age of the fossil of Dryopithecus on the geological time scale is [CBSE PMT 1998] |
| A. | \[75\times {{10}^{6}}\] years back |
| B. | \[25\times {{10}^{6}}\]years back |
| C. | \[2.5\times {{10}^{6}}\] years back |
| D. | \[50\times {{10}^{6}}\]years back |
| Answer» C. \[2.5\times {{10}^{6}}\] years back | |
| 8082. |
Which one of the following statements is correct [CBSE PMT 1998] |
| A. | Homo erectus is the ancestor of man |
| B. | Cro-magnon man's fossil has been found in Ethiopia |
| C. | Australopithecus is the real ancestor of modern man |
| D. | Neanderthal man is the direct ancestor of Homo sapiens |
| Answer» E. | |
| 8083. |
Which of the following is the most primitive ancestor of man [CPMT 1999; JIPMER 2001] |
| A. | Australopithecus |
| B. | Ramapithecus |
| C. | Homo habilis |
| D. | Homo neanderthalensis |
| Answer» B. Ramapithecus | |
| 8084. |
In Homo habilis, 'habilis' refers to [CPMT 1999] |
| A. | Wandering species |
| B. | Ancient man |
| C. | Modern man |
| D. | Tool maker |
| Answer» E. | |
| 8085. |
What is the scientific name of Java man [MP PMT 1999] |
| A. | Pithecanthropus erectus |
| B. | Pithecanthropus pekinensis |
| C. | Homo rhodesiensis |
| D. | Homo heidelbergensis |
| Answer» B. Pithecanthropus pekinensis | |
| 8086. |
Evolution of man is possible because our ape like ancestors had |
| A. | Migration instinct |
| B. | Binocular vision |
| C. | Developed brain |
| D. | Large cranial cavity |
| Answer» E. | |
| 8087. |
Which of the following man possessed a cranial cavity equal to or even a bit large than that of a modern man |
| A. | Neanderthal man |
| B. | Peking man |
| C. | Java ape man |
| D. | Australopithecus |
| Answer» B. Peking man | |
| 8088. |
The first probable fossil of man is |
| A. | Australopithecus |
| B. | Zizenthropus |
| C. | Pithecanthropus |
| D. | Pleasianthropus |
| Answer» B. Zizenthropus | |
| 8089. |
Java ape man is considered to have existed in [CPMT 1982] |
| A. | Java only |
| B. | China only |
| C. | Africa only |
| D. | Java, China and Africa |
| Answer» E. | |
| 8090. |
Neanderthal man was followed by [CPMT 1996] |
| A. | Cro?Magnon man |
| B. | Homo sapiens sapiens |
| C. | Homo erectus |
| D. | Homo neanderthalaeie |
| Answer» B. Homo sapiens sapiens | |
| 8091. |
Homo sapiens originated how many years ago [CPMT 1996] |
| A. | About \[1\frac{1}{2}\] lakh years ago |
| B. | About 2 lakh years ago |
| C. | About \[2\frac{1}{2}\] lakh years ago |
| D. | About 3 lakh years ago |
| Answer» B. About 2 lakh years ago | |
| 8092. |
Which one of the following is direct ancestor of modern man [CBSE PMT 1996] |
| A. | Australopithecus |
| B. | Ramapithecus |
| C. | Homo erectus |
| D. | Homo habilis |
| Answer» D. Homo habilis | |
| 8093. |
In human evolution which is most recent [MP PMT 1995] |
| A. | Middle Paleolithic |
| B. | Upper Paleolithic |
| C. | Neolithic |
| D. | Mesolithic |
| Answer» D. Mesolithic | |
| 8094. |
Neanderthal man lived in [MP PMT 1995] |
| A. | Desert |
| B. | Deep forest |
| C. | Mountains |
| D. | Cave |
| Answer» E. | |
| 8095. |
Pithecanthropus erectus fossil was found in [BHU 1995] |
| A. | China |
| B. | Japan |
| C. | Java |
| D. | Texas |
| Answer» D. Texas | |
| 8096. |
Which primitive man lived on earth at the end of pleistocene era [CPMT 1995] |
| A. | Australopithecus |
| B. | Zinzanthropus |
| C. | Neanderthal man |
| D. | Atlantic man |
| Answer» D. Atlantic man | |
| 8097. |
Which primitive man had a cranial capacity of about 800 ? 1000 cc [CPMT 1995] |
| A. | Australopithecus |
| B. | Java apeman |
| C. | Neanderthal man |
| D. | Cro-Magnon man |
| Answer» C. Neanderthal man | |
| 8098. |
The recent ancestors of modern man were [CPMT 1968, 77, 78; CMC Vellore 1993] |
| A. | Java ape man and Peking man |
| B. | Peking man and Rhodesian Man |
| C. | Rhodesian man and Cro-Magnon man |
| D. | Cro-Magnon man and Neanderthal man |
| Answer» E. | |
| 8099. |
Dart in 1925 found the skull of a body whom he named |
| A. | Neanderthal man |
| B. | Australopithecus |
| C. | Zinzanthropus |
| D. | Parapithecus |
| Answer» C. Zinzanthropus | |
| 8100. |
Earliest evidences of social life are attributed to |
| A. | Cro-Magnon man |
| B. | Neanderthal man |
| C. | Peking man |
| D. | Java man |
| Answer» C. Peking man | |