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Cell : The Unit of Life Objective Questions The cytoplasmic connections from cell to cell are known as (a) middle lamella (b) plasmodesmata (c) cell membrane system (d) endoplasmic reticulum Answer: (b) plasmodesmata Bacterial flagella is made up of (a) tubulin (b) flagellin (c) chitin (d) None of these Answer Answer: (b) flagellin Plasmolysis occurs […]

Structural Organisation in Animals Objective Questions Blood corpuscles are formed in the (a) Haversian canal (b) endosteum (c) red bone marrow (d) pancreas Answer: (c) red bone marrow Which of the following is absent in female frog? (a) Webbed feet (b) Copulatory pads (c) Tympanum (d) All are present Answer: (b) Copulatory pads Osteoblasts are […]

Anatomy of Flowering Plants Objective Questions Pith is very well developed in (a) monocot root and monocot srem (b) monocot root and dicot root (c) dicot root and monocot stem (d) monocot root and dicot stem Answer: (d) monocot root and dicot stem Which of the following helps in the curling of the leaf surface? […]

Morphology of Flowering Plants Objective Questions Thors and spines are (a) homologous organs (b) analogous organs (c) thron is homologous while spine is analogous (d) spine is homologous while is analogous Answer: (d) A In which of the following plants stems do not store the food material (a) potato (b) ginger (c) onion (d) colocasia […]

Animal Kingdom Objective Questions Which one of the following is NOT a characteristic of phylum Annelida? (a) Ventral nerve cord (b) Closed circulatory system (c) Segmentation (d) Pseudocoelom Answer: (d) Pseudocoelom ______ are devoid of respiratory, excretory and circulatory organs. (a) Threadworms (b) Sponges (c) Tapeworms (d) Liver fluke Answer: (b) Sponges Fluke infections are […]

Plant Kingdom Objective Questions Which of the following is used to grow microbes? (a) Laminaria (b) Gelidium (c) Chlorella (d) Sargassum Answer: (b) Gelidium Isogamous condition with non-flagellated gametes is found in (a) Chlamydomonas (b) Spirogyra (c) Volvox (d) Fucus Answer: (b) Spirogyra Gymnosperms produce neither flower nor fruit because they do not possess (a) […]

Biological Classification Objective Questions The scientist who created the group protista for both unicellular plants and animals is (a) haecke (b) Pasteur (c) lister (d) Koch Answer: (a) haecke Binomial nomenclature was given by (a) Huxley (b) ray (c) Darwin (d) Linnaeus Answer: (d) Linnaeus Which of the following is an indicator of air pollution? […]

The Living World Objective Questions Two taxonomic species are distinguished from each other by (a) their failure to interbreed (b) their ability to exchange gene freely (c) their similarity in morphological characters (d) discontinuity in a set of correlated characters Answer: (a) their failure to interbreed Musca domestica is common name of (a) Housefly (b) […]

कोशिका : जीवन की इकाई Objective Questions निम्नलिखित में से कौन-सा एक प्रकार का ऊतक है? (क) आहारनाल (ख) यकृत (ग) रुधिर (घ) अग्न्याशय Ans (ग) रुधिर निम्नलिखित में से किसका उद्भव भ्रूणीय मीसोडर्मल स्तर से हुआ है? (क) मस्तिष्क (ख) फेफड़ा (ग) रक्त (घ) यकृत Ans (ग) रक्त निम्नलिखित में से किस रुधिर वर्ग को सर्वग्राही माना जाता है? (क) वर्ग A (ख) वर्ग […]