1. Which among the following are the smallest living cells, known without a definite cell wall, pathogenic to plants as well as animals and can survive without oxygen? A. Bacillus B. Pseudomonas C. Mycoplasma D. Nostoc 2. Which of the following cell organelles is responsible for extracting energy from carbohydrates to form ATP? A. Lysosome
1. Smooth muscles are- A. voluntary, spindle-shaped, uninucleate B. involuntary, cylindrical, striated C. voluntary, multinucleate, cylindrical D. involuntary, fusiform, non-striated. 2. In male cockroaches, sperms are stored in which part of the reproductive system? A. Seminal vesicles B. Mushroom glands C. Testes D. Vas deferens 3. Which of the following features is not present in
1. Which of the following is made up of dead cells? A. Xylem parenchyma B. Collenchyma C. Phellem D. Pholem 2. The vascular cambium normally gives rise to- A. phelloderm B. primary phloem C. secondary Xylem D. periderm 3. Identify the wrong statement in context of heartwood: A. Organic compounds are deposited in it B.
1. Root hairs develop from the region of A. Maturation B. Elongation C. Root cap D. Meristematic activity 2. Coconut fruit is a A. Drupe B. Berry C. Nut D. Capsule 3. Free-central placentation is found in- A. Dianthus B. Argemone C. Brassica D. Citrus 4. Radial symmetry is found in the flowers of- A.
1. Retrogressive metamorphosis occur in A. Hemichordata B. Cephalochordata C. Urochordata D. Avertebrata 2. Assertion: In Pleurobrachia, eight comb like Ciliary plates called comb plates are present on the body that help in locomotion. Reason: Pleurobrachia reproduces sexually and its life cycle includes cydippid larva. A. If both assertion and reason are true and reason
1. Conifers are adapted to tolerate extreme environmental condition because of – A. broad hardy leaves B. superficial stomata C. thick cuticle D. the presence of vessels 2. Which one of the following statement is wrong? A. Algae increase the level of dissolved oxygen in 10 the immediate environment B. Algin is obtained from red
1. Spliceosomes are not found in cells of : A. Plants B. Fungi C. Bacteria D. Animals 2. Chrysophytes, euglenoids, dinoflagellates and slime moulds are included in kingdom. A. Protista B. Fungi C. Animalia D. Monera 3. The primitive prokaryotes responsible for the production of biogas from the dung of ruminant animals, include that- A.
1. Which one of the following is related to Ex-situ conservation of threatened animals and plants? A. Wildlife Safari Parks B. Biodiversity hot spots C. Amazon rainforest D. Himalayayan region 2. The region of Biosphere Reserve which is legally protected and where no human activity is allowed is known as : A. Core zone B.
