Biology Most Important One Liner Question and Answer part- 12

Biology: Most Important One Liner Question and Answer part- 12 

 

• In animals like Annelids, Mollusks, organs have associated to from functional systems, each system concerned with a specific physiological function. This pattern is called - organ system level of organization.
• Circulatory System was discovered by - William Harvey.
• The circulatory system is an organ system that permits - blood to circulate and transport nutrients, oxygen, carbon dioxide, hormones, and blood cells to and from the cells in the body to provide nourishment.
• A healthy adult man has, on an average – (5 – 5.5 million)of RBCs mm3 of
• The female sex organ in a flower is - pistil.
• Animals in which the cells are arranged in two embryonic layers are called - diploblastic.
• Genus being a higher category is - the assemblage of families which exhibit a few similar characters.
• Sexual reproduction in Algae that takes place through fusion of two dissimilar size gametes is called - anisogamous.
• The animals in which the body cavity is absent are known as - Acoelomates.
• Biological names are generally derived from - Latin language.
• The members of rhodophyceae are commonly called - red algae.
• Aurelia (Medusa) and Adamsia (Polyp) are examples of - Coelenterata Phylum.
• A few organisms can tolerate and thrive in a wide range of temperatures. Such organisms are called - eurythermal.
• Based on the common features like presence of notochord and dorsal hollow neural system, animal like fishes, amphibians, reptiles, birds along with mammals are included in - Chordata Phylum.
• The members of phaeophyceae are commonly called - brown algae.
• The Phaeophyceae or brown algaeare a large group of mostly marine multicellular algae, including many types of seaweed located in - colder Northern Hemisphere waters.
• Asterias (Star fish), Echinus (Sea urchin), Antedon (Sea Lily) are all examples of - Echinodermata Phylum.
• A few organisms can tolerate and thrive in a narrow range of temperatures. Such organisms are called - stenothermal.
• Plasma is a straw colored, viscous fluid constituting nearly - 55 percent of the blood.
• Sexual production in Algae that takes place through fusion of two similar size gametes is called -
• Animals in which the cells are arranged in three embryonic layers are called - tripoblastic.
• The ovaries are located one (1) on each side of - the lower abdomen in 
• Through photosynthesis at least a half of the total carbon dioxide fixation on earth is carried out by - Algae.
• Locust, Butterfly, Scorpion and Prawn are all examples of - Arthropoda Phylum.
• Among plants, three different genera Solanum, Petunia and Daturaare placed in - Solanaceae family.
• The members of chlorophyceae are commonly called - green algae.
• The body cavity which is lined by mesoderm is called - coelom.
• The uterus is single in - female.
• Members of Chlorophyceae are called - green algae.
• Members of Rhodophyceae are called - red algae.
• Members of Phaeophyceae are called - brown algae.
• Adamsia (Sea anemone), Pennatula (Sea-pen) are examples of - Coelenterata Phylum.
• In each testis in a male reproductive system, there are 250 compartments called - testicular lobules.
• The predominant stage of the life cycle of a moss is the gametophyte which consists of - two stages. The second stage is the leafy.
• In Animal Kingdom classification, the Phylums are - Mollusca, Chordata and Annelida.
• The ovariesare the primary female sex organs that produce - the female gamete (ovum) and several steroid hormones(ovarian hormones)
• Bryophytes are also called - amphibians of the plant kingdom.
• Bryophytes are an informal group consisting of three divisions of non-vascular land plants, the liverworts, hornworts and mosses
• Bryophytes are characteristically limited in size and prefer moist habitats although they can survive - in drier environments.
• Animals belonging to phylum chordataare fundamentally characterised by the presence of a notochord, a dorsal hollow nerve cord and paired - pharyngeal gill slits.
• Adaptation is any attribute of the organism (morphological, physiological and behavioral) that enables the organism - to survive and reproduce in its habitat.
• Classes comprising animals like fishes, amphibians, reptiles, birds along with mammals constitute the category called - Phylum.
• The predominant stage of the life cycle of a moss is the gametophyte which consists of two stages. The first stage is the - protonema.
• The largest phylum of Animalia which includes insects is - Arthropoda.
• Insulin was discovered by - Frederick Banting.
• Vitamin C is a - water soluble Vitamin.
• There are four (4) chambers in - human heart.
• Chloroplast, cell wall and vacuole are present – in matured stomata
• plasmodesma is not present - in a matured stoma.
• In case of hypermetropia - the focal length of the eye lens is too long.
• Antibiotics are useful for - infections of bacteria.
• Night blindness is caused by - deficiency of Vitamin A.
• Air enters the body of cockroach through - spiracles.
• Veins carry the blood - from all parts of body back to the heart.
• Euglena, Amoeba and Paramecium are the example of - unicellular organism.
• A unicellular organism, also known as - a single-celled organism
• Multicellular organism that consists of - more than one cell.
• Iris controls - the size of pupil in human eye.
• Dengue fever is generally caused by - viruses.
• Dengue fever is a mosquito-borne tropical disease caused by - dengue virus.
• Throat cancer, skin cancer and breathingproblem are caused by - smog.
• Vitamin K helps - in clotting of blood.
• During heavy exercise, breathing rate in an average adult person can increase up to - 25 per minute.
• The colour of human blood is red because of - hemoglobin.
• Oviparous animal does not give birth to - young ones.
• Each sperm is - single cell.
• External fertilisation takes place in - frog.
• Fertilisation is necessary in sexual reproduction but not necessary in - asexual reproduction.
• Excessive curvature of the eye lens is the cause of arise of -
• Worms multiplies- very slowly in comparison to others.
• Vitamin A is the most abundant Vitamin found in - carrot.
• The rate of absorption of water through roots can be increased - by keeping the plants under the fan.
• A sporeproducing plant is - bread mould.
• XY chromosome is responsible for - manliness in man.
• The human eye forms the image of an object at its - retina.
• Fungi, Spirogyra and Hydra are -multicellular organism
• paramecium is - not a multicellular organism.
• Specialization in single-celled organisms exists at- the subcellular level
• The basic functions that are divided among the cells, tissues, and organs of the multicellular organism are collected within - one cell.
• Rickets is caused by deficiency of - Vitamin D.
• During exhalation, the ribs move - downwards.
• On an average 5 – 5.5 million Red Blood Cellsare - present in a healthy human adult man per mm of blood.
• A tadpole develops into an adult frog by - metamorphosis process.
• Light sensitive cell gets activated upon - illumination and generates electrical signal.
• Brain and spinal cordconstitute - the central nervous system in human body.
• Vitamin C is found in - lemon.
• The blood clot formed is due to - presence of platelets.
• Bryophyllum can be produced by - its leaves.
• Sex of the baby depends on - father chromosomes.
• The change in focal length of an eye lens is caused by the action of - ciliary muscle.
• Fungi do not perform -
• Monera are - unicellular.
• Fungi have - cell wall.
• Minamata and Itai–Itai diseases are caused by - metal toxicity
• Dermatitis disease is not caused by - metal toxicity.
• Beriberi disease is caused by deficiency of - Vitamin B.
• During heavy exercise, we get cramps in the legs due to the accumulation of - lactic acid.
• Carbon monoxide in Hemoglobin has - maximum affinity.
• Iris controls the amount of - light entering the eye.
• Common-cold, AIDS and dengue fever diseases are caused by – virus