Objective Questions

Questions (769)

#	Question	Topic	Actions
701	A short, vertical, swollen underground stem (e.g., cocoyam) is called a _______.	Practice Questions BOT 102 - 3	View
702	Diagrams should never be _______; different densities may be represented by ___…	Practice Questions BOT 102 - 4	View
703	Label lines must be drawn with a _______, must not cross one another, and shoul…	Practice Questions BOT 102 - 4	View
704	Every drawing must have a _______, stating what is drawn, and where relevant, t…	Practice Questions BOT 102 - 4	View
705	Diagrams showing only the outline and distribution of main tissues, without cel…	Practice Questions BOT 102 - 4	View
706	Drawings showing a small part of a specimen in cellular detail are called _____…	Practice Questions BOT 102 - 4	View
707	The lens closest to the eye in a compound microscope is the _______ (ocular len…	Practice Questions BOT 102 - 4	View
708	The set of lenses mounted on a rotating nosepiece that provide the primary magn…	Practice Questions BOT 102 - 4	View
709	The lens system beneath the stage that focuses light onto the specimen is calle…	Practice Questions BOT 102 - 4	View
710	The part that regulates the amount of light passing through the specimen is the…	Practice Questions BOT 102 - 4	View
711	Total magnification = eyepiece magnification x _______ magnification; a x10 eye…	Practice Questions BOT 102 - 4	View
712	The knob used for rapid, large focusing movements is the _______ adjustment kno…	Practice Questions BOT 102 - 4	View
713	To prepare a wet mount, a drop of water or stain (e.g., _______ or safranin) is…	Practice Questions BOT 102 - 4	View
714	Lenses should be cleaned only with _______, never cloth or paper towels, and sh…	Practice Questions BOT 102 - 4	View
715	After use, the microscope should be returned to the _______ power objective, an…	Practice Questions BOT 102 - 4	View
716	The scientific study of plants as a branch of biology is called _______.	Practice Questions BOT 102 - 4	View
717	A plant with parallel leaf venation, fibrous roots, and floral parts in threes …	Practice Questions BOT 102 - 4	View
718	The leaf is the primary site of _______ and _______ (water loss).	Practice Questions BOT 102 - 4	View
719	The point of leaf attachment to the stem is the leaf _______, which may bear sm…	Practice Questions BOT 102 - 4	View
720	The stalk connecting the leaf blade to the stem is the _______; a leaf lacking …	Practice Questions BOT 102 - 4	View
721	The expanded, flattened portion of a leaf, containing the midrib and veins, is …	Practice Questions BOT 102 - 4	View
722	A leaf with a single, undivided lamina (e.g., mango) is a _______ leaf; one div…	Practice Questions BOT 102 - 4	View
723	Leaflets radiating from a single point (e.g., silk cotton) show _______ compoun…	Practice Questions BOT 102 - 4	View
724	Leaf arrangement with one leaf per node is _______; with two leaves per node is…	Practice Questions BOT 102 - 4	View
725	The four whorls of a flower, from outside to inside, are: calyx (sepals), corol…	Practice Questions BOT 102 - 4	View
726	When sepals and petals are not clearly differentiated (as in many monocots), th…	Practice Questions BOT 102 - 4	View
727	A fruit is the matured, ripened _______ of a flower, developing after fertilisa…	Practice Questions BOT 102 - 4	View
728	Development of a fruit without fertilisation is called _______, producing seedl…	Practice Questions BOT 102 - 4	View
729	The fruit wall, developed from the ovary wall, is called the _______, different…	Practice Questions BOT 102 - 4	View
730	The outermost skin of the pericarp is the _______ (exocarp); the middle, often …	Practice Questions BOT 102 - 4	View
731	Fruits developing from a single ovary of a single flower are called _______ fru…	Practice Questions BOT 102 - 4	View
732	A simple fleshy fruit with the entire pericarp fleshy, containing seeds embedde…	Practice Questions BOT 102 - 4	View
733	A simple fleshy fruit with a fleshy mesocarp and hard, stony endocarp (e.g., ma…	Practice Questions BOT 102 - 4	View
734	A false fruit where the edible part develops mainly from the receptacle surroun…	Practice Questions BOT 102 - 4	View
735	A berry-like fruit with a hard, thick rind, typical of the cucurbit family (e.g…	Practice Questions BOT 102 - 4	View
736	A berry with a leathery rind containing oil glands, typical of citrus (e.g., or…	Practice Questions BOT 102 - 4	View
737	Dry fruits that split open at maturity are described as _______; those that do …	Practice Questions BOT 102 - 4	View
738	A dry fruit that splits along two sutures (e.g., beans, groundnut pod) is calle…	Practice Questions BOT 102 - 4	View
739	A dry fruit that splits in various ways to release many seeds (e.g., cotton, ok…	Practice Questions BOT 102 - 4	View
740	Xylem vessel elements and tracheids are both _______ (dead/alive) at maturity, …	Practice Questions BOT 102 - 5	View
741	The living cells that assist sieve tube elements in loading/unloading sugars ar…	Practice Questions BOT 102 - 5	View
742	A plant lacking vascular tissue is limited in height mainly because it cannot e…	Practice Questions BOT 102 - 5	View
743	Liverworts, mosses, and hornworts are collectively grouped under the informal t…	Practice Questions BOT 102 - 5	View
744	In flowering plants, transfer of pollen from anther to stigma of the same flowe…	Practice Questions BOT 102 - 5	View
745	Agents of pollination include wind (_______), water (_______), and animals such…	Practice Questions BOT 102 - 5	View
746	The study of pollen grains is called _______.	Practice Questions BOT 102 - 5	View
747	A seed that will not germinate even under favourable conditions because of an i…	Practice Questions BOT 102 - 5	View
748	The uptake of water by a dry seed, causing it to swell before germination, is c…	Practice Questions BOT 102 - 5	View
749	The plant hormone primarily responsible for cell elongation and phototropism (b…	Practice Questions BOT 102 - 5	View
750	The plant hormone responsible for stem elongation and breaking seed/bud dormanc…	Practice Questions BOT 102 - 5	View
751	The plant hormone that promotes cell division (cytokinesis) in plant tissues is…	Practice Questions BOT 102 - 5	View
752	The plant hormone associated with stress responses and stomatal closure during …	Practice Questions BOT 102 - 5	View
753	The bending of a plant shoot toward a light source is called _______, while roo…	Practice Questions BOT 102 - 5	View
754	The process by which water moves across a selectively permeable membrane from a…	Practice Questions BOT 102 - 5	View
755	The equation summarising photosynthesis is: carbon dioxide + water + light ener…	Practice Questions BOT 102 - 5	View
756	The equation summarising aerobic respiration is: glucose + oxygen → carbon diox…	Practice Questions BOT 102 - 5	View
757	The green pigment responsible for capturing light energy in photosynthesis is _…	Practice Questions BOT 102 - 5	View
758	The tiny pores on the leaf surface, bordered by guard cells, through which gas …	Practice Questions BOT 102 - 5	View
759	Guard cells are unique in the epidermis because, unlike other epidermal cells, …	Practice Questions BOT 102 - 5	View
760	The waxy, waterproof layer covering the outer walls of leaf/stem epidermis is c…	Practice Questions BOT 102 - 5	View
761	A cluster/group of flowers arranged on a single stalk is called an _______.	Practice Questions BOT 102 - 5	View
762	The study of flower structure and arrangement is called _______.	Practice Questions BOT 102 - 5	View
763	In a typical dicot seed like the bean, the food reserve is stored mainly in the…	Practice Questions BOT 102 - 5	View
764	A fruit that develops from a flower with an inferior ovary (ovary below the oth…	Practice Questions BOT 102 - 5	View
765	Movement of water and minerals in non-vascular plants occurs by _______.	Practice Questions BOT 102 - 5	View
766	Which of the following best describes bryophytes?	Practice Questions BOT 102 - 5	View
767	Which of the following is an example of a non-motile unicellular microalgae?	Practice Questions BOT 102 - 5	View
768	Which of the following is an example of a colonial microalgae?	Practice Questions BOT 102 - 5	View
769	Spirogyra is an example of _______ microalgae.	Practice Questions BOT 102 - 5	View

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Questions (769)