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MCQOPTIONS
This section includes 153 Mcqs, each offering curated multiple-choice questions to sharpen your Biology knowledge and support exam preparation. Choose a topic below to get started.
| 101. |
In moss (Funaria) sporophyte is differentiated into [CPMT 1986] |
| A. | Stem and leaves |
| B. | Root, stem and leaves |
| C. | Rhizoid, stem and leaves |
| D. | None of the above |
| Answer» E. | |
| 102. |
Primitive types of stomata are found in the [AIIMS 1998, 99] |
| A. | Leaves of moss plants |
| B. | Axis of the moss plant |
| C. | Apophysis of capsule of moss |
| D. | All the above |
| Answer» D. All the above | |
| 103. |
Sterile part of Cycas microsporophyll is [MHCET 2004] |
| A. | Apophysis |
| B. | Sporophore |
| C. | Middle part |
| D. | Lower part |
| Answer» B. Sporophore | |
| 104. |
The secondary growth in stem of Cycas is brought about by [CPMT 1990] |
| A. | Persistant cambium |
| B. | Short lived cambium |
| C. | Number of cambia produced in succession |
| D. | Isolated strips of cambium |
| Answer» D. Isolated strips of cambium | |
| 105. |
Leaves in Cycas show |
| A. | Hydrophobic characters |
| B. | Xerophytic characters |
| C. | Mesophytic characters |
| D. | Lithophytic characters |
| Answer» C. Mesophytic characters | |
| 106. |
The number of cotyledons in seed of Cycas is [CPMT 1990] |
| A. | 1 |
| B. | 2 |
| C. | Many |
| D. | All of these |
| Answer» C. Many | |
| 107. |
Ptyxis in Cycas is |
| A. | Simple |
| B. | Circular |
| C. | Circinate |
| D. | None of these |
| Answer» D. None of these | |
| 108. |
What is true about foliage of Cycas [AMU 2002] |
| A. | Palmate and pinnate foliage leaves |
| B. | Brown scales and unpinnately green foliage leaves |
| C. | Oblong and long leaves |
| D. | Green and scaly leaves |
| Answer» C. Oblong and long leaves | |
| 109. |
Which is incorrect about Cycas [CBSE PMT 1998] |
| A. | Its xylem has vessels |
| B. | It has circinate venation |
| C. | It does not have well organised female flower |
| D. | Its roots possess some blue?green algae |
| Answer» B. It has circinate venation | |
| 110. |
Cycas resembles angiosperms in having [MP PMT 1996] |
| A. | Circinate vernation in leaves |
| B. | Vessels |
| C. | Motile sperms |
| D. | Ovules |
| Answer» E. | |
| 111. |
Which is not a characteristic feature of Cycas [CPMT 1986] |
| A. | Naked ovules |
| B. | Circinate vernation |
| C. | Vessels |
| D. | Girdling leaf traces |
| Answer» D. Girdling leaf traces | |
| 112. |
Sulphur shower condition is related to |
| A. | Moss |
| B. | Selaginella |
| C. | Fern |
| D. | Pinus |
| Answer» E. | |
| 113. |
Of the following group which secrete and deposit calcium carbonate and appear like corals[Kerala CET 2003] |
| A. | Red algae |
| B. | Brown algae |
| C. | Blue green algae |
| D. | All of these |
| Answer» B. Brown algae | |
| 114. |
A mature ligule, having a prominent basal portion, is called [AIIMS 1998; CPMT 2000; CBSE PMT 2002] |
| A. | Trichocyst |
| B. | Heterocyst |
| C. | Rhizophore |
| D. | Glossopodium |
| Answer» E. | |
| 115. |
The endosperm of gymnosperm is [CPMT 1993, 99; CBSE PMT 1999] |
| A. | Triploid |
| B. | Haploid |
| C. | Diploid |
| D. | Polyploid |
| Answer» C. Diploid | |
| 116. |
With respect to the life cycle of Pinus, considering the formation of the female cone at the summer of year zero, fertilization occur in |
| A. | Late autumn of 2nd year |
| B. | Late spring of 2nd year |
| C. | The same year i.e. zero year but in the next season |
| D. | The early summer of next year (i.e. First year) |
| Answer» C. The same year i.e. zero year but in the next season | |
| 117. |
The 13-celled male gametophyte of Selaginella shows [CMC Vellore 1993; CPMT 1999; BHU 2001; AIIMS 2001; BHU 2003] |
| A. | 8 cells of the antheridium + 5 prothallial cells |
| B. | 9 cells of the antheridium + 4 prothallial cells |
| C. | 10 cells of the antheridium + 3 prothallial cells |
| D. | 8 jacket cell + 4 androgonial + 1 prothallial cells |
| Answer» E. | |
| 118. |
In Bryophyta the adult plant body is [Kerala PMT 2004] |
| A. | Sporophyte |
| B. | Epiphyte |
| C. | Sporophyll |
| D. | Gametophyte |
| E. | (e) Antheridium |
| Answer» E. (e) Antheridium | |
| 119. |
Who amongst the following is regarded as the "Father of Indian Bryology'' [CPMT 1998] |
| A. | Prof. K.C. Mehta |
| B. | Prof. D.D. Pant |
| C. | Prof. S.R. Kashyap |
| D. | Prof. P.N. Mehra |
| Answer» D. Prof. P.N. Mehra | |
| 120. |
Which place in India is called "The Golden Mine of Liverworts" [Kerala CET 2003] |
| A. | Eastern Himalayas |
| B. | Western Himalayas |
| C. | Western Ghats |
| D. | Eastern Ghats |
| Answer» C. Western Ghats | |
| 121. |
Saprophytic bryophyte is[MP PMT 2003] |
| A. | Buxbaumia aphylla |
| B. | Ricciocarpus natans |
| C. | Riccia fluitans |
| D. | Radula sp |
| Answer» B. Ricciocarpus natans | |
| 122. |
Gemmae are vegetative reproductive structures found in |
| A. | Angiosperms |
| B. | Bryophytes |
| C. | Algae |
| D. | Gymnosperms |
| Answer» C. Algae | |
| 123. |
One of the following is of considerable economic importance [CBSE PMT 1993] |
| A. | Riccia |
| B. | Funaria |
| C. | Marchantia |
| D. | Sphagnum |
| Answer» E. | |
| 124. |
Assertion : Biennial plants flower in two year. Reason : The biennial plants live for two years. |
| A. | If both the assertion and the reason are true and the reason is a correct explanation of the assertion |
| B. | If both the assertion and reason are true but the reason is not a correct explanation of the assertion |
| C. | If the assertion is true but the reason is false |
| D. | If both the assertion and reason are false |
| E. | If the assertion is false but reason is true |
| Answer» D. If both the assertion and reason are false | |
| 125. |
Assertion : Double fertilization is unique to angiosperms. Reason : Triple fusion occurs in double fertilization. |
| A. | If both the assertion and the reason are true and the reason is a correct explanation of the assertion |
| B. | If both the assertion and reason are true but the reason is not a correct explanation of the assertion |
| C. | If the assertion is true but the reason is false |
| D. | If both the assertion and reason are false |
| E. | If the assertion is false but reason is true |
| Answer» B. If both the assertion and reason are true but the reason is not a correct explanation of the assertion | |
| 126. |
Assertion : The female cones take much time to mature. Reason : The seeds are shed when the cone is 22 months old. |
| A. | If both the assertion and the reason are true and the reason is a correct explanation of the assertion |
| B. | If both the assertion and reason are true but the reason is not a correct explanation of the assertion |
| C. | If the assertion is true but the reason is false |
| D. | If both the assertion and reason are false |
| E. | If the assertion is false but reason is true |
| Answer» C. If the assertion is true but the reason is false | |
| 127. |
Assertion : Spermatangium of red algae bears trichogyne. Reason : Trichogyne helps in reproduction. |
| A. | If both the assertion and the reason are true and the reason is a correct explanation of the assertion |
| B. | If both the assertion and reason are true but the reason is not a correct explanation of the assertion |
| C. | If the assertion is true but the reason is false |
| D. | If both the assertion and reason are false |
| E. | If the assertion is false but reason is true |
| Answer» F. | |
| 128. |
Assertion : Pinus is monoecious. Reason : Each sporophyll bears only one microsporangia. |
| A. | If both the assertion and the reason are true and the reason is a correct explanation of the assertion |
| B. | If both the assertion and reason are true but the reason is not a correct explanation of the assertion |
| C. | If the assertion is true but the reason is false |
| D. | If both the assertion and reason are false |
| E. | If the assertion is false but reason is true |
| Answer» D. If both the assertion and reason are false | |
| 129. |
Assertion : ?Upper Carboniferous? period is also called ?Age of Ferns?. Reason : Ferns dominated during the period. |
| A. | If both the assertion and the reason are true and the reason is a correct explanation of the assertion |
| B. | If both the assertion and reason are true but the reason is not a correct explanation of the assertion |
| C. | If the assertion is true but the reason is false |
| D. | If both the assertion and reason are false |
| E. | If the assertion is false but reason is true |
| Answer» D. If both the assertion and reason are false | |
| 130. |
Assertion : Adiantum caudatom is called walking fern. Reason : It can reproduce by its leaf tips. |
| A. | If both the assertion and the reason are true and the reason is a correct explanation of the assertion |
| B. | If both the assertion and reason are true but the reason is not a correct explanation of the assertion |
| C. | If the assertion is true but the reason is false |
| D. | If both the assertion and reason are false |
| E. | If the assertion is false but reason is true |
| Answer» D. If both the assertion and reason are false | |
| 131. |
Assertion : Coenosorus lacks true indusium. Reason : Indusium covers sori. |
| A. | If both the assertion and the reason are true and the reason is a correct explanation of the assertion |
| B. | If both the assertion and reason are true but the reason is not a correct explanation of the assertion |
| C. | If the assertion is true but the reason is false |
| D. | If both the assertion and reason are false |
| E. | If the assertion is false but reason is true |
| Answer» C. If the assertion is true but the reason is false | |
| 132. |
Assertion : Funaria is monoecious. Reason : Cross fertilization occurs in Funaria. |
| A. | If both the assertion and the reason are true and the reason is a correct explanation of the assertion |
| B. | If both the assertion and reason are true but the reason is not a correct explanation of the assertion |
| C. | If the assertion is true but the reason is false |
| D. | If both the assertion and reason are false |
| E. | If the assertion is false but reason is true |
| Answer» C. If the assertion is true but the reason is false | |
| 133. |
Assertion : The primary protonema of moss by death and decay of cells may break into fragments. Reason : Each fragment gives rise to leafy gametophyte. |
| A. | If both the assertion and the reason are true and the reason is a correct explanation of the assertion |
| B. | If both the assertion and reason are true but the reason is not a correct explanation of the assertion |
| C. | If the assertion is true but the reason is false |
| D. | If both the assertion and reason are false |
| E. | If the assertion is false but reason is true |
| Answer» D. If both the assertion and reason are false | |
| 134. |
Assertion : All bryophytes are land dwellers. Reason : Water is necessary to complete their life-cycle. |
| A. | If both the assertion and the reason are true and the reason is a correct explanation of the assertion |
| B. | If both the assertion and reason are true but the reason is not a correct explanation of the assertion |
| C. | If the assertion is true but the reason is false |
| D. | If both the assertion and reason are false |
| E. | If the assertion is false but reason is true |
| Answer» F. | |
| 135. |
Assertion : Bryophytes and tracheophytes have an embryo stage in their life cycle.Reason : Embryophyta are terrestrial plants. |
| A. | If both the assertion and the reason are true and the reason is a correct explanation of the assertion |
| B. | If both the assertion and reason are true but the reason is not a correct explanation of the assertion |
| C. | If the assertion is true but the reason is false |
| D. | If both the assertion and reason are false |
| E. | If the assertion is false but reason is true |
| Answer» C. If the assertion is true but the reason is false | |
| 136. |
Assertion : Spirogyra shows haplontic life cycle. Reason : Zygotic meiosis occurs in Spirogyra. |
| A. | If both the assertion and the reason are true and the reason is a correct explanation of the assertion |
| B. | If both the assertion and reason are true but the reason is not a correct explanation of the assertion |
| C. | If the assertion is true but the reason is false |
| D. | If both the assertion and reason are false |
| E. | If the assertion is false but reason is true |
| Answer» B. If both the assertion and reason are true but the reason is not a correct explanation of the assertion | |
| 137. |
Assertion : Pyrenoids are utilised during starvation. Reason : Pyrenoids are proteinaceous bodies. |
| A. | If both the assertion and the reason are true and the reason is a correct explanation of the assertion |
| B. | If both the assertion and reason are true but the reason is not a correct explanation of the assertion |
| C. | If the assertion is true but the reason is false |
| D. | If both the assertion and reason are false |
| E. | If the assertion is false but reason is true |
| Answer» D. If both the assertion and reason are false | |
| 138. |
Tap roots are commonly found in[CPMT 1985] |
| A. | Gymnosperms |
| B. | Angiosperms |
| C. | Dicots |
| D. | Monocots |
| Answer» D. Monocots | |
| 139. |
The stele found in monocot is [DPMT 2004] |
| A. | Haplostele |
| B. | Atactostele |
| C. | Dictyostele |
| D. | Actinostele |
| Answer» C. Dictyostele | |
| 140. |
Angiosperm, to which the largest flowers belong, is [CBSE PMT 1999] |
| A. | Total stem parasite |
| B. | Partial stem parasite |
| C. | Total root parasite |
| D. | Partial root parasite |
| Answer» D. Partial root parasite | |
| 141. |
Which of the following is a flagellated alga[HP PMT 2005] |
| A. | Chlamydomonas |
| B. | Ulothrix |
| C. | Spirogyra |
| D. | Acetabularia |
| Answer» B. Ulothrix | |
| 142. |
Reserve food material of algae is [BCECE 2005] |
| A. | Starch |
| B. | Glycogen |
| C. | Fat |
| D. | Sugar |
| Answer» B. Glycogen | |
| 143. |
Agranal chloroplast are found in [DPMT 2004] |
| A. | Bryophytes |
| B. | Gymnosperms |
| C. | Green algae |
| D. | Angiosperms |
| Answer» D. Angiosperms | |
| 144. |
Agar?Agar is obtained from [CPMT 1993, 96, 98; AFMC 1997; KCET 2000] |
| A. | Gigartina |
| B. | Gelidium |
| C. | Gracillaria |
| D. | All the above |
| Answer» E. | |
| 145. |
Most primitive members of the plant kingdom are |
| A. | Thallophytes |
| B. | Bryophytes |
| C. | Pteridophytes |
| D. | Gymnosperms |
| Answer» B. Bryophytes | |
| 146. |
Marine algae flourished well during which period [CBSE PMT 2001] |
| A. | Triassic |
| B. | Devonian |
| C. | Permian |
| D. | Ordovician |
| Answer» E. | |
| 147. |
In which of the following algal classes the starch and oil are present[CPMT 1998] |
| A. | Chlorophyceae |
| B. | Phaeophyceae |
| C. | Rhodophyceae |
| D. | Xanthophyceae |
| Answer» E. | |
| 148. |
Amongst plants which one of the following group has been classified on the basis of pigments |
| A. | Algae |
| B. | Fungi |
| C. | Bryophyta |
| D. | Pteridophyta |
| Answer» B. Fungi | |
| 149. |
Zygospore is |
| A. | Haploid |
| B. | Polyploid |
| C. | Diploid |
| D. | None of the above |
| Answer» D. None of the above | |
| 150. |
Which among the following do you consider as the best evidence to show that two species of algae are closely related [AFMC 1981] |
| A. | They both respire and release \[C{{O}_{2}}\] |
| B. | They both are found in the same habitat |
| C. | They both reproduce asexually |
| D. | They both have same type of pigments |
| Answer» E. | |